These soft and comfortable winter liners are made with a 100% Polyester plush fleece. They are an adjustable design with a drawstring for snug fit. They can adjust to cover the mouth, or only attach to the neck. Great for outdoor workers, hunters, or the do-it-yourselfer around the house. This balaclava offers a FR material for Oilfield workers and other people needing both warmth and FR resistance.