Smartwool SW0SW164-003-L men's heathered rib socks is offered, in a large size charcoal U.S. 61% merino wool, 37% nylon, 2% elastane. This crew sock is a no-nonsense ribbed sock with built-in, cushioned comfort and a touch more cushioning. Smartwool SW0SW164-003-L has medium cushioning for impact absorption and long with Smartwool signature. Smartwool SW0SW164-003-L also features Virtually Seamless toe for enhanced comfort and ribbed leg. The Smartwool SW0SW164-003-L socks are brand new in its original packaging and is backed by a 2 year manufacturer's limited warranty.