Quality Materials: These snow pants have a waterproof windproof nylon shell and 100-gram polyester insulation to keep warm and dry. Lightweight machine washable and easy to move around in..Warm and Dry: Rip & grip hip pockets for stashing odds and ends. Zipped ankles can be worn over or inside winter boots. Elastic snow gaiters keep out cold and slush..Designed to Last: Adjustable shoulder straps with clip-in buckles fit like suspenders. Reinforced Iron Knees and Seat prevents holes when kids run and play. Waterproof fabric stands up to a day of sledding..Cozy Fit: The Grow-A-Long legs extend up to 2 inches so they'll fit your as they grow. Elastic armholes and back waist stretch for added comfort even when worn under a big puffer coat..Winter Essential: These are a winter weather must-have! They offer thermal warmth and are great for ski and snowboarding trips and can be layered over their clothes. These bibs are also great for school recess.