These are the Women's Thirtytwo Double Snow Sock, constructed from 83% acrylic, 15% nylon, and 2% spandex to ensures a snug and comfortable fit, while the reinforced ghost seam toe box and rib knit compression ankle provide unbeatable support. With added features like an antimicrobial spandex stay-up rib cuff and logo embroidery, these socks will keep you going on the hill all day long. Plus, they're versatile enough to be worn for skiing too! Midweight Women's Snowboard Sock Acrylic Yarn With Antimicrobial Spandex Stay Up Rib Cuff Logo Embroidery On Cuff Snug Fit Heel Arch Support Rib Knit Compression Ankle Rib Band Toe And Heel Cushion Reinforced Ghost Seam Toe Box Socks will last longer if you keep them out of the tumble dryer. If you are between sizes and unsure what size to go for then we recommend sizing up to allow for possible shrinkage Also Suitable for Skiing 83% Acrylic / 15% Nylon / 2 Spandex