These insulated gloves are both wind and water proof, with an officially tog rated efficiency of 4.4. That thermal efficiency is because of our dual insulation system: 1. Our plush fur-like HeatWeaver lining provides soft comfort and maximizes the amount of warm air that is held close to your skin. 2. Thinsulate insulation provides extra warmth and breathability. A long Heat Holders elasticated cuff helps to seal in the heat and keep out the cold, aided by a Velcro-fastening strap and roller system to adjust for a custom fit around your wrist. These ladies (women's) Heat Holders 4.4 TOG High Performance Gloves are also constructed with palm grips for non-slip hold no matter the weather. Features: Outer: 100% Polyester Lining: 100% Polyester Insulation: 58% Polypropylene, 42% Polyester Cuff: 99% Acrylic, 1% Elastane Palm: 100% Polyester 1 Pair Pack Wind and water proof, with HeatWeaver plush fur lining for high performance insulation Palm grip Adjustable wrist strap Heat Holders Women's Performace Thermal Gloves