eVent Glove Inserts provide waterproof protection and all-day comfort in the widest range of temperatures and conditions. The difference is the air permeable membrane, which instantly vents excess heat and sweat to keep the insulation dry and the inside of the glove warm and comfortable. Our innovative Direct Venting technology features an air permeable membrane that instantly vents excess heat and moisture, keeping your hands dry and comfortable in a wide range of temperatures and conditions.