What Our Gearhead® Experts Are Saying: "These are my go-to heat socks for ski touring days or cold resort laps when I want warmth without bulk. They fit easily in tight boots and the compression keeps my feet feeling fresher on long outings."When temps drop and we refuse to call it a day, the Hotronic Heat Socks Surround Thin keep our feet toasty without sacrificing fit or feel. Built for precision performance, these heat-ready socks offer moisture control, light compression, and strategic padding, all wrapped in a sleek, ultra-thin profile that fits comfortably inside tight-fitting alpine or touring boots. Designed with optimized moisture transfer and a soft compression gradient, they help improve circulation and keep feet drier and warmer over long sessions on snow. The added shin protection is a game-changer for skiers and riders who spend full days booted up. Whether we’re charging lift laps or skinning deep into the backcountry, these socks keep us locked in and powered up.