The Rooster Aquafleece combines warmth with windchill protection. Manufactured from a new material developed by Rooster in conjunction with a leading technical fabric manufacturer. This beanie has a Polyurathene coating on the outside for water resistance, durability and flexibility combined with a fleece inner layer to keep you snug and warm - a combination that works well when wet or dry.Don't forget that this product is machine washable. We recommend that you turn it inside out, wash on gentle(30°C). You can also tumble dry it too - again we recommend you tumble dry it on the low heat setting.