Snowtrax technical ski socks have high quality inserts and materials that make these a great base level sock for wearing in your ski boots. They feature In-turned welt for a relaxed comfortable fit, luxury new wool with acrylic high density terry loop padding (increasing shock absorption). Fully elasticated ankle and instep provide gentle support where you need it and a fine toe seam reduces the risk of blisters from new ski boots. You will be sure to keep those toes toasty and dry as these are thermal insulated and can wick moisture. These come in two sizes; Red are UK 4-7 & Blue are UK 8-12. Snowtrax Technical Merino Wool Ski Socks