SnowStoppers Kids Waterproof Stay On Winter Nylon Mitten SnowStoppers Patented extra-long cuff keeps snow out and keeps mittens on! 40G Thinsulate Insulation adds warmth without bulk Tough grip palms are great for skiing, snowboarding and sledding! Hand Wash in warm water, no bleach, lay flat to dry. Waterproof outer shell fabric resists water, snow & ice. Fully waterproof Drypel Liner adds double protection Sizing Guidance: See below for measurements. We suggest getting the next size up if youre not sure which size to get because its better for mittens to be a little roomy rather than too small. This way they might fit next year too!