Improved insulation with Thinsulate (TM), an extra thin layer that keeps the Mittz soft and flexible * Durable water and wind resistant coated Nylon, with a weatherproof membrane with a psi of 5,000 * Extra-long wrists are designed to go over outerwear, with 2 toggles to ensure they stay on * Back of thumb has fleece to relieve wet noses * Clips ensure Mittz don"t get lost, and blank tag to write your name on so you never lose them