50?? consistent heated socks powered by 2 AA batteries keep you warm all day. Improve blood circulation, prevent foot from cracking and hurting in cold weather. Perfect for indoor and outdoor activities like skiing, fishing, walking and hunting. Electric Heated Socks Battery Winter Outdoor Skiing Warmth Thicken Socks for Men & Women 1.Made of thickening cotton material that is super comfortable, breathable and well padded. 2.Soft heated socks powered by 2 AA batteries keep you warm all day, please buy the batteries on your own. 3.Carbon fabric silk heating, 50?? consistent heat temperature, get warmth fast and pay back you nice and toasty feet in the cold winter. 4.Improve blood circulation, prevent foot from cracking and hurting in cold weather. 5.Perfect for indoor and outdoor activities like skiing, fishing, walking and hunting. Specification: Item Type: Heated Socks Material: Cotton Battery: 2 * AA batteries(Not included) Color: Black Size: 41.5 * 10.5cm / 16.3 * 4.1inch Package Weight: approx. 154g Package list: 1 x Pair Heated Socks 2 x Battery Case