Fully waterproof and lined for warm comfort, The Original Muck Boot Company Element Rubber Boots for Kids keep feet warm and dry as they charge through outdoor chores or cold-weather adventures anywhere. These flexible, waterproof kids' boots start with a 5mm neoprene bootie upper for lightweight, insulating, waterproof protection under protective rubber overlays over the foot and heel, ideal for kids' winter boots. The soft Cool Weather fleece linings enhance warm comfort, and delivers durability for long treks. Under the feet inside the boot, EVA midsoles and comfort insoles with moisture-wicking bioDEWIX™ topcovers and NZYM™ odor-control technology cushion every step. Rubber cap outsoles offer trusty traction for all winter adventures outside. Comfort rated from -20°F to 50°F. Average weight: 1.5 lbs.Manufacturer style #: KEL. Warm, waterproof, and protective rubber boots for kids - great for cold, wet weather 5mm neoprene bootie uppers Protective rubber overlays Soft Cool Weather fleece linings Comfort insoles with moisture-wicking bioDEWIX topcovers and NZYM odor-control technology EVA midsoles Rubber cap outsoles Comfort rated from -20°F to 50°F