Grundens Windproof Fleece Flap Cap - Fabric: Made from our windbuster fabric. A soft stretchy fleece that is nearly waterproof yet also breathable. This combination provides lightweight insulation that dries quickly and keeps you warm, even when wet. The reduction in wind chill over conventional fleece is amazing. This durable fabric generally outlasts other fleece fabrics and is machine-washable. These hats are ideal for wet, cold conditions. This is a great snug fitting flap cap that will keep your ears warm in even the nastiest weather. Applications: Hunting, Fishing, Sailing, Outdoor Construction, Paddle Sports, Snow Sports, Motorcycling. Available in Navy Blue, Black, and Hi-Vis Yellow; Sizes S/M and L/XL.