Smartwool SW001071-207-L men's PhD medium hiking socks is offered, in a large size chestnut U.S. 63% merino wool, 35% nylon, 2% elastane. This PhD outdoor medium crew sock has dimension of 8.5" inches overall height. Smartwool SW001071-207-L features Indestructawool technology for ultimate durability in high wear areas, the 4 Degree elite fit system for a dialed fit and our signature Virtually Seamless toe for extraordinary comfort in any trail shoe. Smartwool SW001071-207-L also features medium cushioning which provides impact protection and ultimate comfort on the trail. The Smartwool SW001071-207-L socks are brand new in its original packaging and is backed by a 2 year manufacturer's limited warranty.