The Harkila Pro Hunter Cap is a 100% Polyamide, Heavy Canvas and DWR cap. This cap also has a 100% polyester lining to allow for comfort and comes with Airtechâ„¢ by F.O.V. This unique textile combines extreme durability with great comfort. Making the Pro Hunter Cap Soft, breathable, wind-resistant, water-repellent and dirt-repellent.