This ZANheadgear Fleece Lined Neoprene Face Mask features stretchy warm and water resistant neoprene on the out side combined with a warm microfleece lining on the inside making it perfect for the cold weather. Like most ZANheadgear face masks it has a black stretch nylon trim for added durability and clean finish. A hook and loop closure allows for adjustability and ensures great fit. One size fits most. Gnasher design.