Stay warm on the ski slopes with Zensah’s Far Infrared Socks. They’re made with special innergy yarn that promotes naturally occurring Far Infrared Rays to aid with circulation and heat generation. Perfect for skiing and other outdoor adventures such as camping, hunting, and hiking. These socks are not only warm, but they’re also incredibly comfortable. They feature a comfort sole and a cross-knit material that prevents shin bang with heavy cushioning. The comfortable no-slip cuff prevents the socks from sliding down or slipping into ski boots. So. go ahead and tackle that rough terrain ahead; you'll be warm and comfortable with Zensah's Infrared Socks. Men (U.S. Shoe Size) S: 4 - 6.5 M: 7 – 9.5 L: 10 – 12.5 Women (U.S. Shoe Size) S: 5 - 8 M: 8.5 - 11 L: 11.5 - 14
