Seirus Men's Dynamax Balaclava - Keep your head warm and comfortable this winter season in the DYNAMAX(R) balaclava. This lightweight thin face cover has great moisture wicking capabilities and helps block the wind. The stretchy fit will help it form nicely against your face. Full head, face and neck protectionSeirus' exclusive Dynamax dual density, micro Denier ThermaxThin,warm, wicking, wind blocking and stretchy