Sportful Speedskin Silicone BootiesThe Sportful Speedskin Silicone Booties are about riding hard and fast in inclement weather. Using silicone coated Lycra theyre incredibly close fitting for aero performance while the silicone resists wind and water.If youre racing and training in damp and dreary weather conditions youll likely want some protection but without the full bulk of a winter overshoe. The Speedskin Silicone Booties are the ideal choice, the close fit imparting as much aerodynamic performance as possible while the silicone coating, reduced seams and close sealed ankle providing reliable protection from water ingress. Sportful have given the booties a YKK rear zipper to make pulling them on and off easier - a most welcome feature at the end of a tough race. FeaturesMaterials: 50% Polyurethane, 44% Polyamide, 6% ElastaneSilicone-coated Lycra fabricCut high for maximum aerodynamicsVery close-fitting with reduced seamsYKK® rear zipper with reflective pingSealed ankle seam for waterproofingSuggested Temperature - 15 Degrees C +Buy Sportful Cycle Clothing from Chain Reaction Cycles, the Worlds Largest Online Bike Store.