These knee-high socks with removable 3.7V 3000mAh batteries keep your feet warm even in cold conditions. Made from a wool blend with 35% merino wool, they offer excellent warmth and breathability. The outside of the sock shaft features a pocket with a USB-A connector for the power source and a power button to turn the heating on/off.
Size S/M fits shoe sizes 37-40, and the soft material provides a comfortable fit. The innovative removable batteries can also be used as a backup power source for other rechargeable devices, giving you added versatility in one product. The perfect choice for active outdoor living or hiking in cold weather!
