The Heat Holders 2.6 Tog Neck Warmer is a soft and warm lined knitted tube with a silky, fur-like HeatWeaver thermal lining that traps warm air to keep you warmer for longer. It can be just pulled on and left under the chin, or even pulled up over your mouth for added cover. The high performance Heat Holders insulating yarn protects against the cold and wicks away moisture to keep you dry and comfortable. The neck warmer is sculpted to drop low to contour around the chest, neck and chin for extra warmth and protection. Outer: 54% Polyester 46% Acrylic, Lining: 100% PolyesterMachine washable at 40°