With graduated compression, a thin construction, anatomical fit features, and a Surround Heating Element, the HOTRONIC Surround Thin PFI 30 Heat Sock offers a low volume, high-performance sock that warms both the top and bottom of toes.

The Heat Sock Set XLP 1P BT Surround Comfort is the pinnacle in warmth, performance, and longevity.

Keep your feet warm and toasty during ski and snowboard season with the Hotronic Heat Socks.