Features Upper material Technomicro microfibre technology Metatarsus external TECNO 3 System & velcro strap Protection Internal & external shaped ankle pads Soft arch area Smooth heel cup for more adherence with the bike Shift pad nylon Inner sole with removable arch support pad Certified EN 13634 TECNO-3 System SIDI’s TECHNO-3 System allows to adjust the top of the shoe, thus obtaining a customized fit. SIDI’s famously reliable & replaceable closures are enhanced by an all new proprietary SIDI wire material that is completely non-binding for intuitive & effortless on the-fly adjustments. Like most SIDI small parts, the TECNO-3 System is serviceable & replaceable. Touring sole Rubber sole with thinner tread