When it's cold and wet these Pioggia 3 Overshoes have you covered with a PU stretch waterproof fabric and a cosy fleece lining. A silicone bead at the ankle helps to minimise water seepage in downpours. Top Features of the Castelli Pioggia 3 Overshoes Waterproof fleece-lined bootie for cold and wet conditions Waterproof PU-coated stretch fabric with fleece layer inside Silicone bead at inside top of cuff to seal water out Wrap cuff construction to optimize fit Pull tab on inside for easy entry High-durability material under foot 108g (Pair) Temperature Range: -2 degrees - +12 degrees C Windproofness Waterproofness Insulation Product Data Thermal: Yes High Visibility: No Road: Yes The Shoe Cover That Does Everything WellAlthough the name is Italian for "rain," that doesn't really capture the essence of this bootie. Yes it's completely waterproof, with sealed seams, a waterproof zipper and a silicone-sealed top edge to keep water from entering. Castelli have also added a fleece back to the PU-coated fabric to make this bootie warm in the coldest conditions, while the high stretch also gives it a close, comfortable and aero fit.