The Obermeyer Toddler Girl's Thumbs Up Mittens are made with waterproof/breathable 10,000mm HydroBlock® Sport laminated 100% polyester woven fabric that assures unmatched protection. They have adjustable ribbed cuffs with hook and loop closures that allow for a sung fit under a jacket's cuff. The adjustable cuff also allows for an unrestricted opening for putting the mittens on and taking them off. These mittens feature an integrated nose wipe as well as a synthetic leather palm and integrated clips. The Obermeyer Toddler Girl's Thumbs Up Mittens are a proven performer for winter fun.