Y201 Winter Warm Tube Heated Cotton Socks Outdoor Heated Ski Socks, Style:with Battery Box(Black Grey)

1.Material: Cotton
2. Function: keep warm, absorb sweat, prevent friction
3. Specifications: without battery box, with battery box
4. Battery: AA battery x 3 (shipping without battery)
5. Nano composite fiber heats up, quick heat keeps warm
6. High elasticity, high ductility, not easy to deform, suitable for different people
7. Double layer thickening and fleece, soft, comfortable and warm
8. Waterproof treatment at the power interface, support for washing
9. Size: Free Size
10. Product size: 23 x 32 cm
11. Product weight: 99.2g/pair