Alta Puffer Mittens combine winter-proof functionality with a luxe-sport aesthetic. Alta Puffer Mittens combine winter-proof functionality with a luxe-sport aesthetic. Design makes the perfect addition to the Alta Puffer series but can accent any look. The mittens feature ribbed cuffs and a fleece lining for extra warmth and comfort. Alta Puffer Mittens are cut from Rains' signature PU fabric. The finish is lightweight with a smooth feel. 100% polyester Also available in Green and Grey! Alta Puffer Mittens - Navy