Our Glacier kids' mittens keep small hands warm and dry with Thinsulate lining, waterproof recycled polyester fabric and breathable Ared 5000 protection. Designed for cold-weather adventures with grip, comfort and adjustability. The Dare 2b Glacier Mittens for kids feature waterproof polyester fabric, Thinsulate lining and gripped palms. Breathable and insulated for all-day comfort, with secure fastenings for active winter fun.