Chaos -CTR Chinook Micro Fleece Balaclava Chinook collection offers high level protection from the elements and a soft feel against the skin Durable Malden Polartec micro fleece made of 95% polyester and 5% spandex material 3D fit, with form-fitting, three-panel construction and flatlock stitching Lycra binding around face seals out cold; shaped bottom provides full coverage while preventing excessive gathering Excellent for use under ski, snowboard, and snow machine helmets, as well as hard hats