The sealskinz waterproof bobble hat is a stylish totally waterproof windproof and breathable classic knitted beanie with a pom pom bobble on top this close fitting comfortable beanie is suited to a multitude of uses from adventuring to socialising sealskinz waterproof bobble hat features totally waterproof breathable and windproof acrylic knitted outer increases durability micro fleece inner lining provides warmth and moisture control finish