Cycling Shoes

Road cycling shoe with race-inspired style and features. Features: - Surround wrapping upper structure reduces overlap and provides a glove-like fit. - Synthetic leather with mesh texture creates a comfortable fit and an exciting racing profile. - Three durable hook & loop straps evenly spread tightening force across the top of the foot. - Lightweight glass fiber-reinforced nylon sole for power transfer. - Durable, wide heel pads provide walking stability. - Offset strap relieves tension at highest point of the foot.

Road cycling shoe with race-inspired style and features. FEATURES - Surround wrapping upper structure reduces overlap and provides a glove-like fit. - Synthetic leather with mesh texture creates a comfortable fit and an exciting racing profile. - Three durable hook & loop straps evenly spread tightening force across the top of the foot. - Lightweight glass fiber reinforced nylon sole for power transfer. - Durable, wide heel pads provide walking stability. - Offset strap relieves tension at highest point of the foot.

Performance XC MTB shoe with Shimano quality and design. FEATURES - Perforated synthetic leather composite upper enables superior fit and breathability. - Three durable hook & loop straps evenly spread tightening force across the top of the foot. - Offset strap relieves tension at highest point of the foot. - Surround wrapping upper structure reduces overlap and provides a glove-like fit. - Lightweight glass fiber reinforced nylon sole for power transfer. - Rubber XC racing pattern outsole promotes stable pedal engagement and secure walking grip.

High-performance XC MTB racing shoe with advanced fit and pedaling technologies. FEATURES - Integrated seamless midsole and upper construction set a new level of fit, stability and lightweight performance. - Off-set center flap mounted BOA L6 dial creates a sleeker profile with quick adjustments. - Surround wrapping upper structure reduces overlap and provides a glove-like fit. - Rubber XC racing pattern outsole promotes stable pedal engagement and secure walking grip. - Low stack height midsole stabilizes foot and maximizes power transfer efficiency. - Perforated synthetic leather composite upper enables superior fit and breathability. - Lightweight glass fiber reinforced nylon sole for power transfer.

The SMM-401B Men's Mountain Singletrack 3-Strap feature a wide toe box, a low ankle collar for added comfort on longer rides, and one finger buckles for easy tightness adjustment. They also sport deep lugged SPD compatible soles for walking off the bike, as well as the scuff pads for when the terrain gets unpredictable. Whatever your cycling goal, make sure you have Serfas shoes on your feet to get you there. - Secure 3-Strap MTB Design - Wide Toe Box - Dual Density Sole - SPD Compatible - Lightweight Breathable Upper - Soft Cushioned Insole - Toe Cleats Included

The Women's Mountain Singletrack 3-Strap feature a wide toe box, a low ankle collar for added comfort on longer rides, and one finger buckles for easy tightness adjustment. They also sport deep lugged SPD compatible soles for walking off the bike, as well as the scuff pads for when the terrain gets unpredictable. Whatever your cycling goal, make sure you have Serfas shoes on your feet to get you there. - Secure 3-Strap MTB Design - Wide Toe Box - Dual Density Sole - SPD Compatible - Lightweight Breathable Upper - Soft Cushioned Insole - Toe Cleats Included

Giro's Empire VR90 is a new direction in high-performance off-road shoes, featuring lightweight laced one-piece uppers for unrivaled comfort, and Easton EC90 full carbon outsoles with molded rubber tread for relentless grip. The uppers are made of a breathable Evofiber synthetic upper Teijin for superb fit and support that won't stretch out with wear or weather. Giro's adjustable SuperNatural Fit footbeds let you fine-tune the fit and arch support, for maximum pedaling efficiency.

You've seen knit technology in athletic footwear, but you haven't seen it in cycling … until now. The women's specific Empire E70 W Knit features Giro's newly engineered Xnetic Knit upper, which offers unparalleled comfort and breathability. Xnetic Knit technology was developed for the specific needs of performance cycling. An internal TPU skeletal system provides support where you need it, while the knit offers suppleness for superior sock-like comfort. The upper is DWR-treated for water repellency and easy cleaning, and a TPU-reinforced toe and heel add durability and abrasion resistance. Plus, the style of the Empire E70 Knit is simply undeniable. - Engineered Xnetic Knit upper - Bonded TPU skeletal support structure - TPU-reinforced toe and heel - DWR treated - Empire laces: hold a knot, durable and light - Easton EC70 carbon composite outsole - Steel hardware - Replaceable heel pads - Molded EVA footbed with medium arch support - Weight: 230 grams (size 39)

The Privateer R HV model takes the same performance as Giro's standard Privateer R, but accommodates high volume and extra-wide feet. This shoe features a new nylon and rubber co-molded outsole for exceptional durability and improved grip on rocks or roots. The reinforced toe box boasts a rubber toe-guard for improved durability yet comfort reigns supreme with a supple microfiber upper two straps and a micro-ratcheting buckle. Those features, combined with the stiff and efficient nylon outsole, create a shoe that rivals the performance of more expensive composite designs. Other highlights include aggressive lugs for improved traction, toe spike compatibility and a supportive EVA footbed with Aegis anti-microbial treatment.

The Riela R II is a women's-specific XC shoe with the comfortable, supportive fit found in Giro's premium shoes. Giro added a nylon and rubber co-molded outsole for impressive durability, grip, and traction in rocks and mud. While they were at it, they redesigned the upper to combine supple synthetic fiber with mesh panels for increased breathability and lighter weight. Three wide straps allow easy fit adjustments, and a supportive EVA footbed enhances comfort. A stout injected nylon sole helps transfer power to the pedals instantly, enhancing your connection to the bike. - High-quality, breathable synthetic fiber with mesh panels - Classic 3-strap closure - Co-molded nylon and rubber high-traction lugged outsole - Mid-foot scuff guard - Accommodates steel toe spikes - Die-cut EVA footbed - Weight: 305 grams (size 39)

Atomus excels on technical trails with its in-house developed Materiis sole compound, inspired by Sidi's 60 years of experience in controlling the most demanding environments like motocross. Built to withstand tough terrain and perform in any condition, Atomus meets the extreme demands of motocross, ensuring durability during jumps, braking, and all-terrain maneuvers. With reinforced toe protection and a durable tread, Atomus delivers unmatched performance and reliability. - Ripstop fabric construction, premium materials designed for the most technical trails - Structured ventilation engineered to cool the body and maintain performance - Impact absorption sole structure for jump landing performance - Firmor lateral support technology stabilized in every trail

Sidi Ergo 6 is the ultimate road cycling shoe. With Firmor lateral technology, the foot is stabilized even during the most intense performances, delivering a feeling of total control. The shoes are engineered to adapt to the foot with its Unum ergonomic shape upper for a premium comfort feeling. A full carbon sole, with a stiffness level of 11, it features an increased range of cleat adaptability with 75mm connection sections for personalized fitting. -Premium perfection upper with engineered ventilation and integrated bumpers -Seamless heel counter provides stabilization and control without the extra weight -Integrated Firmor lateral structures provide impact protection where needed -Millenium Fit technology combines comfort and stabilization -Dials system connected to Firmor contours the whole foot for a personalized fit -Unum Ergo Anatomical Tongue adapts to the foot for greater comfort with every motion -R2FC full carbon sole with stiffness a high stiffness level of 11 is light, aerodynamic, ergonomic and designed to transfer power -Individual pedal positioning features a 75mm plate with 15mm extension to find the perfect spot

A fast and efficient shoe with tested strength and grip for the most demanding rides. Intuitive adjustments and a clean design make the Sidi Fast 2 an easy-to-use high-performance shoe. -The Single Tecno-3 system creates a perfect tension balance between the shoe's internal and external side, guarantees an excellent closure adapting to every instep -The newly designed integrated heel cup is lightweight and reinforced to avoid deformations after prolonged strenuous use -The Aerolite sole is designed to maximize aerodynamics and power transmission -The nylon and carbon fiber construction of the Aerolite Sole provides the ideal balance of stiffness for efficient power transfer, and flexibility for comfort -The Fast 2 includes a user replaceable polyurethane heel pad for improved stability and traction off the bike

The shoe that offers the best for everyone. Whether racing or a casual ride, the Sidi Genius 10 is simply the best platform for a great day in the saddle. Built on over 60 years of experience in manufacturing cycling shoes, Genius is designed on a carbon composite sole that offers the perfect combination of strength and comfort, while the Microtech upper adapts to the shape of the foot for superior comfort. -The Soft Instep Closure System is a wide, anatomically curved strap combined with a soft, thermo-formed EVA pad that distributes pressure evenly over the instep area -The Soft Instep Closure System is adjustable from both sides, to perfectly center the EVA pad over a high or low instep -Sidi's Tecno-3 System closure dials in fit along the entire length of the shoe, adapting the upper to the shape of the foot for a customized fit -Improved proprietary Sidi wire material is non-binding for intuitive and effortless on-the-fly adjustments -Like most Sidi small parts, the Tecno-3 system is serviceable and replaceable -The newly designed integrated heel cup is lightweight and reinforced to avoid deformations during prolonged strenuous use -The Carbon Composite Sole 20 is composed of nylon and injected carbon fiber. The result is a light and rigid sole that is impervious to humidity -The central part of the sole is graduated with a millimetric scale to facilitate accurate and repeatable cleat set-up -For walkability, Sidi cycling shoes include a user replaceable polyurethane heel pad

The shoe that offers the best for everyone: whether racing or a casual ride, Genius 10 is simply the best platform for a great day in the saddle. Built on over 60 years of experience in manufacturing cycling shoes, the Sidi Genius 10 is designed on a carbon composite sole that offers the perfect combination of strength and comfort, while the Microtech upper adapts to the shape of the foot for superior comfort -The Soft Instep Closure System is a wide, anatomically curved strap combined with a Soft, thermo-formed EVA pad that distributes pressure evenly over The Instep area -The Soft Instep Closure System is adjustable from both sides, to perfectly center The EVA pad over a high or low Instep -Sidi's Tecno-3 System closure dials in fit along the entire length of the shoe, adapting the upper to the shape of the foot for a customized fit -Improved proprietary Sidi wire material is non-binding for intuitive and effortless on-the-fly adjustments -Like most Sidi small parts, the Tecno-3 system is serviceable and replaceable -The newly designed integrated heel cup is light weight and reinforced to avoid deformations during prolonged strenuous use -The Carbon Composite Sole 20 is composed of nylon and injected carbon fiber. The result is a light and rigid sole that is impervious to humidity -The central part of the sole is graduated with a millimetric scale to facilitate accurate and repeatable cleat set-up -For walkability, SIDI cycling shoes include a user replaceable polyurethane heel pad -The women's specific fit is narrower across the ball of the foot and features less volume inn the instep area and a narrower heel cup

Experience the pinnacle of performance with the new Gore-Tex EPE Membrane with Ripstop, offering water resistance, scratch protection, and a flexible fit. Anatomical heel construction and Millennium Fit deliver all the stabilization and control without extra weight, ensuring superior comfort for everyone. The Quicklace closure enhances safety and speed, while the X2NC sole with stiffness 5 and grip sole inserts provide unparalleled control and comfort. Reinforced toes and heels ensure lasting durability, making it unmistakably Sidi. -Gore-Tex EPE membrane is environmentally friendly and 100% PFC-free -Outer features ripstop material to keep water out with a flexible fit -Reflective inserts shine at night for safer cycling -Quicklace closure is easy to use and is pressure-free -Winter-proof design to maintain thermal balance -X2NC sole allows you to keep a great level of control -Designed for durability with a protected toe design

Whatever the journey, Sidi Aertis is there to make it easier and better. The comfort of a premium suede construction meets Firmor Closure technology to offer great lateral support. The nylon sole with replaceable rubber insert allows for maximum grip in any situation and increased walking comfort. -Designed for maximum lateral support the Firmor Closure contours the foot with a solid hold, and allows infinite size adjustment for the ideal individual fit -Sidi's Tecno-3 System dials in fit along the entire length of the shoe, adapting the upper to the shape of the foot for a customized fit -The closure uses a new proprietary Sidi Wire monofilament that is completely non-binding for intuitive and effortless on-the-fly adjustments -Like most Sidi small parts, the Tecno-3 System is serviceable and replaceable -The Sidi MTB SR17 sole represents the ultimate result in terms of stiffness for pedaling and flexibility for walking -The toe inserts are easily replaceable and offer the possibility to mount spikes for particularly muddy rides

Whatever the journey, the Sidi Aertis is there to make it easier and better. The comfort of a premium suede construction meets the Firmor Closure technology to offer great lateral support. The nylon sole with replaceable rubber insert allows for maximum grip in any situation and increased walking comfort. -Designed for maximum lateral support The Firmor Closure contours the foot with a solid hold, and allows infinite size adjustment for the ideal individual fit -Sidi's Tecno-3 System dials in fit along the entire length of the shoe, adapting the upper to the shape of the foot for a customized fit -The closure uses a new proprietary Sidi Wire monofilament that is completely non-binding for intuitive and effortless on-the-fly adjustments -Like most Sidi small parts, the Tecno-3 System is serviceable and replaceable -The Sidi MTB SR17 sole represents the ultimate result in terms of stiffness for pedaling and flexibility for walking -The toe inserts are easily replaceable and offer the possibility to mount spikes for particularly muddy rides -The women's specific fit is narrower across the ball of the foot and features less volume inn the instep area and a narrower heel cup

Drako 2S SRS is designed for athletes looking for maximum foot stability to unleash all their power. The ventilated carbon sole, with the innovative Firmor Lateral Support System, combines efficient power transfer with superb lateral stabilization of the foot. The dual rotor closure allows for a perfect individual fit, with added protection from mud and debris -The Soft Instep Closure System is a wide, anatomically curved strap combined with a soft, thermo-formed EVA pad that distributes pressure evenly over the instep area -The central mounted Single Techno-3 Push mechanism guarantees balanced fit for every type of instep -Techno-3 Push System dials in fit along the entire length of the shoe, adapting the upper to the shape of the foot for a customized fit -The Adjustable Heel Retention Device reinforces the top of the heel cup and improves the fit by closing the back of the shoe securely around the rider's heel -The heel retention device tightens the top of the heel cup so that the heel doesn't slide out during steep climbs or sprints -Each side of the heel can be adjusted independently, for a perfect fit -The reinforced heel cup stabilizes and supports the heel. Anatomically shaped plastic, reduces heel slip and provides increased power transfer -The MTB SRS Carbon-Ground Sole raises the standard for mountain bike performance, dropping off about 100 grams per pair compared to the previous Dragon Carbon SRS sole without sacrificing power or durability -The MTB SRS Carbon-Ground Sole uses replaceable tread blocks in the heel and the toe - The Ground SRS treads and MTB plate are easily removable and replaceable

The Sidi technology used for mountain biking is applied to the gravel discipline. The Sidi Dust Shoelace is a rigid high performance shoe with a tried and true closure design, technologically advanced and reliable. -The newly designed integrated heel cup is light weight and reinforced to avoid deformations after prolonged and strenuous use -Upper part of the toe section is rubberized to resist and deflect impacts from stones or debris when cycling -The Sidi MTB SR17 sole represents the ideal balance of stiffness for efficient power transfer and flexibility for walking -The toe inserts are easily replaceable and offers the possibility to mount spikes for particularly muddy rides

The Eagle 10 is a great chassis for any day on the dirt track, whatever your riding style. The Microtech upper, the first microfiber introduced in shoes years ago by the brand, offers all the comfort the brand has, while the sole is designed to ensure comfort both on and off the bike. -The Microtech and microfiber plush upper makes for an ultra-comfortable shoe -Sidi heel counter offers all the stabilization and the control without the extra weight -Integrated impact protectors offer protection without any burden on the toes -Dial system plus instep closure system for a customizable fit -The MTB SR17 sole delivers the optimized stiffness for MTB trails -Rubber inserts on the sole provide unbeatable stability on the toughest terrains -Sole inserts are engineered for durability

Ride further, whatever the terrain, whatever the bike, whatever the destination. The Sidi Eagle 10 is the best shoe for any day on the dirt, whatever your riding style. The Microtech upper, the first microfiber introduced in cycling shoes years ago by Sidi, is the most comfortable Sidi has ever offered, while the sole is designed to ensure the ideal combination of performance and comfort both on and off the bike. -The Soft Instep Closure System is a wide, anatomically curved strap combined with a soft, thermo-formed EVA pad that distributes pressure evenly over the instep area -The Instep Closure System is adjustable from both sides, to perfectly center the EVA pad over a high or low instep, ensuring an ideal fit -The Tecno-3 System dials in fit along the entire length of the shoe, adapting the upper to the shape of the foot for a customized fit -The all new proprietary SIDI Wire monofilament is completely non-binding for intuitive and effortless on-the-fly adjustments -The integrated heel cup, with a new light weight design is reinforced to avoid deformation during the most grueling of rides -The reflective inserts on the heel improve safety on the road, helping to signal the presence of the cyclist in conditions of poor visibility -The shape of the tread has been specifically designed for mountain biking, allowing improved grip, superior mud dispersion and great stability -The toe inserts are easily replaceable and offer the ability to mount crampons for particularly muddy rides -The Sidi MTB SR17 sole represents an ideal balance of stiffness for efficient power transfer and flexibility and comfort for walking

Ride further, whatever the terrain, whatever the bike, whatever the destination. The Sidi Eagle 10 is the best shoe for any day on the dirt, whatever your riding style. The Microtech upper, the first microfiber introduced in cycling shoes years ago by Sidi, is the most comfortable Sidi has ever offered, while the sole is designed to ensure the ideal combination of performance and comfort both on and off the bike. -The Soft Instep Closure System is a wide, anatomically curved strap combined with a soft, thermo-formed EVA pad that distributes pressure evenly over the instep area -The Instep Closure System is adjustable from both sides, to perfectly center the EVA pad over a high or low instep, ensuring an ideal fit -The Tecno-3 System dials in fit along the entire length of the shoe, adapting the upper to the shape of the foot for a customized fit -The all new proprietary SIDI Wire monofilament is completely non-binding for intuitive and effortless on-the-fly adjustments -The integrated heel cup, with a new light weight design is reinforced to avoid deformation during the most grueling of rides -The reflective inserts on the heel improve safety on the road, helping to signal the presence of the cyclist in conditions of poor visibility -The shape of the tread has been specifically designed for mountain biking, allowing improved grip, superior mud dispersion and great stability -The toe inserts are easily replaceable and offer the ability to mount crampons for particularly muddy rides -The Sidi MTB SR17 sole represents an ideal balance of stiffness for efficient power transfer and flexibility and comfort for walking -The women's specific fit is narrower across the ball of the foot and features less volume inn the instep area and a narrower heel cup

Ride further, whatever the terrain, whatever the bike, whatever the destination. The Sidi Eagle 10 Mega is the best shoe for any day on the dirt, whatever your riding style. The Microtech upper, the first microfiber introduced in cycling shoes years ago by Sidi, is the most comfortable Sidi has ever offered, while the sole is designed to ensure the ideal combination of performance and comfort both on and off the bike. -The Sidi Mega Last provides Sidi fit and performance to riders who have slightly wider feet -The Sidi Mega Last is 4mm wider across the ball of the foot, has more volume, a higher instep and a wider heel cup -Mega lasts are sized EE to EEE -The Soft Instep Closure System is a wide, anatomically curved strap combined with a soft, thermo-formed EVA pad that distributes pressure evenly over the instep area -The Instep Closure System is adjustable from both sides, to perfectly center the EVA pad over a high or low instep, ensuring an ideal fit -The Tecno-3 System dials in fit along the entire length of the shoe, adapting the upper to the shape of the foot for a customized fit -The all new proprietary SIDI Wire monofilament is completely non-binding for intuitive and effortless on-the-fly adjustments -The integrated heel cup, with a new light weight design is reinforced to avoid deformation during the most grueling of rides -The reflective inserts on the heel improve safety on the road, helping to signal the presence of the cyclist in conditions of poor visibility -The shape of the tread has been specifically designed for mountain biking, allowing improved grip, superior mud dispersion and great stability -The toe inserts are easily replaceable and offer the ability to mount crampons for particularly muddy rides -The Sidi MTB SR17 sole represents an ideal balance of stiffness for efficient power transfer and flexibility and comfort for walking

The Sidi MTB Speed 2 is a fast, efficient and durable shoe tested for the most difficult off road terrain. The ease of adjustment and clean design make it reliable and intuitive to use. -The Tecno-3 System dials in fit along the entire length of the shoe, adapting the upper to the shape of the foot for a customized fit -Like most Sidi small parts, the Tecno-3 System is serviceable and replaceable -The Sidi MTB Competition Sole has been specifically designed for mountain biking and can be fitted with two toe spikes on the front for traction in difficult and muddy conditions. Toe spikes are sold separately -The reinforced heel cup stabilizes and supports the heel. Anatomically shaped to reduce heel slip and increase power transfer

The Sidi Tiger 2S SRS transfers all the muscle power unleashed while maintaining an extreme level of comfort, allowing your mind to focus entirely on the course. The Tecno 3 closure technology is strategically placed to prevent areas of contact with other riders, to better handle crowded situations. The upper is made in Bioveg material derived from recycled microfibers with an external finishing made from cereal The MTB SRS Carbon sole harnesses the strength of the interwoven fibers for energy transfer and its SRS technology allows riders to keep the grip level at a maximum all the times. -The high grade bioveg microfiber makes for a superior touch and greater feeling on the shoe. -And integrated mesh membrane enhances breathability for greater cooling -Integrated toe protectors -Adjustable heel retention allows for a customized feel -Double high density resin dial system with Dyneema makes it easy to find the best fit for the rider -MTB carbon ground sole delivers maximum power -Rubber ground inserts provide unbeatable stability on tough terrain -Sole inserts are engineered for durability

Designed for our professional athletes, the Sidi Tiger 2S efficiently transfers all the power you can unleash while maintaining a high level of comfort, allowing you to focus entirely on the course. The Tecno 3 closure is strategically placed to prevent contact with other riders in crowded situations. The upper is made of Bioveg material derived from recycled microfibers with a plant based external finish. The MTB SRS Carbon sole harnesses the strength of interwoven carbon fibers for efficient energy transfer and its SRS technology allows riders to maintain maximum grip level at all times. -The Tecno-3 Push Flex completely eliminates the pressure zone on the instep and significantly improves the comfort of the closure -Like most Sidi small parts, the Tecno-3 System is serviceable and replaceable -The adjustable heel retention device reinforces the top of the heel cup, closing the back of the shoe securely so the heel doesn't slide out during steep climbs or sprints -The all new Sidi Integrated Heel Cup is light, comfortable and reinforced to avoid deformation -Each side of the heel can be adjusted independently for a perfect fit -The upper part of the toe section is protected with anti-slip rubber to resist and deflect impacts from stones or debris when cycling -The MTB SRS Carbon-Ground Sole raises the standard for mountain bike performance, dropping around 100 grams per pair compared to the previous Dragon Carbon SRS sole without sacrificing power or durability -The MTB SRS Carbon-Ground Sole consists of replaceable tread blocks in the toe and heel attached to a medium-modulus carbon sole -The Ground SRS treads and MTB Plate are easily removable and replaceable and the sole is toe-spike compatible -To improve walkability, Sidi cycling shoes include a replaceable polyurethane heel pad

The Sidi MTB Turbo is a shoe with a strong cycling soul, designed for comfortable cycling and walking thanks to the soft sole and air mesh upper. -The Tecno-3 System dials in fit along the entire length of the shoe, adapting the upper to the shape of the foot for a customized fit -The closure uses a new proprietary Sidi Wire material that is completely non-binding for intuitive and effortless on-the-fly adjustments -Like most Sidi small parts, the Tecno-3 System is serviceable and replaceable -The Outdoor rubber sole has the right density to adapt to different types of terrain and trails -The sole is designed to have excellent grip and easily expel mud and debris. Fitted with a 4-hole plate for quick-release pedals

Physis is designed to deliver all the freedom to top performance. The total carbon high-stiffness sole with gripping rubber inserts meets an Ergofeel anatomic design to preserve the foot's natural functionality. Matched by a premium welded upper, the shoes deliver the greatest balance of comfort and lightness. The foot is solidly stabilized with Solid-Strap, a technology that Sidi patented to eliminate strap tension loss during performances. With all its features, Phisys is ready to perform. -Premium welded dual-layer construction is lighter but solid -Integrated impact protectors provide protection without any burden on the toes, heel, or side of the foot -Seamless heel counter stabilizes the foot for a safe and comfortable ride -High visibility inserts enhance safety -Unum ergo anatomical tongue adapts to the foot for greater comfort while in motion -Millenium fit technology combines comfort and stabilization -Dial system with strap closure allows for individualized adjustments that do not lose tension -XC2FC full carbon sole with cushioning grip areas are designed for maximum power transfer -Rubber compound structure with crampons keep you in control -Ergo-feel sole design maintains the foot's natural shape

The Sidi Prima is designed for the modern rider. The Prima is easy to wear and adjust, thanks to its Firmor Closure and lightweight upper built to reduce foot fatigue. Its low-profile carbon nylon Aerolite Sole is engineered for efficient power transfer for sprinting, with enough flex and comfort for long rides. -The Single Tecno-3 System creates a perfect balance between the shoe's internal and external side, providing an excellent fit while adapting to every instep -The Sidi Mega Last provides Sidi fit and performance to riders who have slightly wider feet -The Sidi Mega Last is 4mm wider across the ball of the foot, has more volume, a higher instep and a wider heel cup -Mega lasts are sized EE to EEE -The newly designed integrated heel cup is light weight and reinforced to avoid deformations after prolonged strenuous use -Aerolite sole is designed to maximize aerodynamics and power transmission on the bike -The nylon and carbon fiber composite material of the Aerolite Sole provides the perfect balance of stiffness and flex for effortless and comfortable pedaling -For walkability, Sidi cycling shoes include a replaceable polyurethane heel pad