Giro 100 Proof Gloves Super Fit is a proprietary design process which significantly reduces bunching and discomfort while enhancing grip, bar feel and effectiveness of the padding for a tailored fit Split-finger design provides more warmth and mobility Tough nylon shell with Hipora membrane is breathable and weatherproof 100g Thinsulate XT-S insulated upper for maximum heat retention PrimaLoft insulation for warmth without the bulk