Rothco Wind & Waterproof Insulated Acrylic Watch Cap - Mens One Size Black. Specifications for Rothco Wind & Waterproof Insulated Acrylic Watch Cap - Men's: Manufacturer: Rothco Gender: Male Age Group: Adults Hat Size US: One Size Hat Style: Watch Cap Application: Casual Outdoor Fabric/Material: Acrylic Features of Rothco Wind & Waterproof Insulated Acrylic Watch Cap - Men's Windproof PTFE lining makes this knit cap one of the warmest winter hats you will ever own Acrylic composition for a comfortable and durable beanie that will keep you warm all winter Acrylic material stretches to fit most head sizes then retains its shape for a warm and reliable winter cap that fits just right for years on end Package Contents: Rothco Wind & Waterproof Insulated Acrylic Watch Cap - Men's Rothco 3585-Black: Wind & Waterproof Insulated Acrylic Watch Cap - Mens One Size Black