STRONG HEATING SYSTEM: Made of high quality materials. Keeps your feet warm and dry even when the temperature is cold. Comfortable and warm lining provides better protection in bad weather Durable and Slip Resistant: Rubber sole is more stable, slip and abrasion resistant, and flexible in response to various outdoor terrains Perfect for various outdoor activities in cold winter, daily walking, work, shopping, hiking, trekking, traveling, camping, climbing and outdoor sport trip. So easy to enjoy outdoor fun, this shoes don’t have a original box