3.7V Rechargeable ski Heated Socks custom Thermal sock men and women with Lithium ion Battery

Dr.Warm 3.7V Rechargeable Heated Ski Socks Lithium-ion battery powered thermal socks, 3 heat levels, fast carbon fiber heating for toes and forefoot. Comfortable, breathable design for men & women. Custom OEM available. Ideal for skiing, winter sports, and cold outdoor activities. Factory strengths: OEM/ODM, custom branding, stable quality, competitive price.