Step into a warmer winter with the KOMBI Warm It Up Light Heating Ski Socks. Equipped with the KOMBI WARM-UP SYSTEM, these heated socks feature adjustable warmth powered by a USB battery pack that lasts up to 8 hours. They include additional arch and ankle support, heel and toe reinforcement for durability, and an over-the-calf length for maximum coverage. With light cushioning for optimal comfort and fabric combining Perlon, acrylic, and merino wool, these ski socks deliver the perfect blend of warmth, breathability, and stretch. Backed by a 2-year warranty, you can follow where the season leads you with peace of mind: alpine skiing, cross-country skiing, snowboarding, and any activity requiring consistent comfort.