evo.com | Castelli Shoes > A thicker (4mm), warmer and more burly bootie, as worn by Team INEOS Grenadiers riders as they crank out those cold winter miles, the Castelli Diluvio Pro Shoe Cover offers "Pro" protection for your feet. Pro Fit with Added Height to Cover Your 20cm Socks Reflective Heel and Side Print for Safety Seams Are Glued and Stitched for Added Protection From the Rain 4mm Neoprene Fabric Will Stand Up to the Wettest and Coldest Winter Riding Conditions Water-Resistant YKK(R) Zipper at Back | Castelli Diluvio Pro Shoe Cover 2022 - Large/X-Large in Black | Neoprene