The Castelli Light Head Thingy is the ultimate companion for any ride, whether it's cold, wet and windy days or swelteringly hot day! It offers superior protection from the elements while being designed to help you stay cool in summer and keep you warm in the winter! With a 100% polyester construction alongside a seamless construction, you'll find it keeps you dry and maintains a supreme level of comfort. With the Castelli Light Head Thingy, keep warm, stay protected, and most importantly, enjoy your ride!