Keep your feet warm and toasty while enjoying the night sky in the wild. Avoid hypothermia and stay comfortable throughout the night. This Rechargeable Heated Socks operate on 3 AA batteries and can operate for up to 6 hours. These socks are made of cotton and spandex fabric blend so it is breathable, soft, and durable.
Specifications Fabric: Cotton & Spandex Size: Free Size (Stretchable) Heated Area: Front Sole Power Supply: 3 x AA Batteries, supports Rechargeable batteries (not included) Heating Time: 4-6 Hours Operation Cycle: Auto, 2min operated--1min off--2min operated Temperature: 131℉ / 55℃