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.
SIDI’s TECHNO-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.
HIGH SECURITY VELCRO is a strap with integrated locking polymer teeth, that engage onto each other when the strap is closed.
For walkability, Sidi cycling shoes include a replaceable polyurethane heel pad.
TWELVE CARBON COMPOSITE sole is made with two different materials blended together, nylon and carbon fibre. It is made out of injected Carbon Fiber in a matrix of Nylon.