The Carhartt Men's Twin Knit Heavyweight Diamond Plate Socks provide both comfort and durability.Features38% merino wool/23% polypropylene/32% nylon/5% coolmax nylon/2% lycra elastaneTwin knit combines a durable exterior with a moisture-wicking interior, utilizing zoned performance to keep your feet warm and dryForm-fitting true rib leg will stay put without compressionMoisuture-wicking, odor resistant and temperature-regulating wool blendHeel, arch, toe, instep and leg cushioningArch supportEnhanced heel support for secure fitRibbed channels improve ventilation on legAbrasion-resistant yarns in heel, arch and toe