Our Merino 10 socks use a distinct blend of Merino wool and Tencel Fibers to create a more advanced Merino sock. Newly redesigned with a reinforced heel and toe for added durability and crafted with Targeted Compression and Anatomical Design to provide a superior fit and feel. Features Merino Wool & TENCEL Anatomical Fit Targeted Arch Compression The Perfect ToeA(R) No-Slip Cuff Seamless Heel Made in the USA Specs Max Cushion Maximum cushioning that protects the foot, with added impact protection and comfort. Mini Crew A 5" cuff designed to show off style while protecting feet from blisters and debris. Materials & Care Merino Wool & TENCEL A unique blend of rarefied 200-needle thread count merino wool spun with TENCEL fibers, for a game-changing sock that&';s comfier, stretchier, drier, and more durable than ever before. 44% Nylon; 27% Wool; 26% Tencel; 3% Spandex Care Machine wash cold or warm, on the gentle cycle with a mild soap, avoiding bleach and fabric softeners. Tumble dry low. For best results, hang or lay flat to dry. Turn inside out before washing.