SnowStoppers STAY-ON Fleece Mittens (Large for ages 7-10, Purple) Patented Extra Long Cuff or "SnowStopper Sleeve" keeps snow out. Waterproof - They have a fully waterproof liner. They Don't Fall Off - The snug fitting cuff keeps the mittens on. Nice Soft Fleece outer material. Insulated for extra warmth with Thinslate 40 Gram insulation