The Sidi Prima Mega Road Shoes are expertly crafted for the modern cyclist seeking performance and comfort. Designed with a lightweight upper and a Firmor closure, these shoes minimize foot fatigue while ensuring a snug fit. The low-profile carbon nylon Aerolite Sole is engineered to optimize power transfer for sprinting, offering the perfect blend of stiffness and flex for long rides.The Single Tecno-3 System provides an exceptional fit by balancing the shoe’s internal and external sides, adapting seamlessly to every instep.Featuring the Sidi Mega Last, these shoes cater to riders with slightly wider feet, offering an extra 4mm width across the ball of the foot, increased volume, a higher instep, and a wider heel cup.Mega lasts are designed in sizes EE to EEE, ensuring a comfortable fit for various foot shapes.The newly designed integrated heel cup is lightweight and reinforced to avoid deformation during prolonged use.The Aerolite sole maximizes aerodynamics and power transmission, making it ideal for competitive cyclists.Constructed from a nylon and carbon fiber composite, the Aerolite Sole strikes the perfect balance between stiffness and flex, allowing for effortless and comfortable pedaling.For enhanced walkability, Sidi cycling shoes include a replaceable polyurethane heel pad.