Smartwool SW001069-003-L men's PhD hiking crew socks is offered, in a large size charcoal U.S. 56% merino wool, 41% nylon and 3% elastane. This PhD outdoor light crew sock has dimension of 8.5" inches overall height. Smartwool SW001069-003-L features Indestructawool technology, a patent-pending wool-based durability construction. Smartwool SW001069-003-L sock also features body-mapped mesh zones for added breathability, Virtually Seamless toe for enhanced comfort, 4 degree elite fit system for a dialed, performance-oriented fit with flex zone at ankle joint. Smartwool SW001069-003-L with Indestructawool technology features a patent-pending construction method for exceptional durability and comfort. Smartwool SW001069-003-L measures 8.5" inches overall height. The Smartwool SW001069-003-L socks are brand new in its original packaging and is backed by a 2 year manufacturer's limited warranty.