- Size: XS • Thermal ski socks for children made with a lightweight and breathable merino wool blend • Help prevent odor build-up and keep feet dry and fresh all day long • Moisture-wicking properties for added comfort during snow activities • Compression function that improves circulation and provides support to the ankle, arch, and Achilles tendon • Thick design reduces insole pressure and protects key areas of the foot • Over-the-calf design with a non-slip cuff to ensure the sock stays in place • Elastic fit for maximum comfort during wear • Easy to machine wash and made to last • Pack of 2 thermal socks for children, ideal for skiing, snowboarding, and skating