DESCRIPTION

The Smartwool Women's PhD Outdoor Light Mini Sock has an advanced degree in wooly comfort to help you excel at hiking or trail running. Smartwool outfitted this brainy sock with mesh zones on the top of the foot for venting and bands around the arch and instep for a snug fit. Then Smartwool added an additional layer of wool on high-impact zones for enhanced durability and to make the sock a bit more sustainablea"more wool equals less nylon.