A lightweight three-layer classically styled waterproof cycle cap is crafted to be worn under protective headwear in a variety of weather conditions. Specifications: Waterproof - three-layer construction for warmth, durability and waterproofing Waterproof - three-layer waterproof, windproof & breathable construction Fits under helmets - Thin and light construction can be worn under protective headwear Internal sweatband - for moisture control and comfort Outer: Shell: 80% Polyester, 20% Nylon Membrane: x Inner: Lining: 100% Polyester Wash at 30c/85f, do not tumble dry, do not dry clean, do not iron, do not bleach