Built to perform, our PhD® line is an elite category of Merino wool socks and Merino wool clothing. Whether you’re training for the mountains or playing in them, our PhD® clothing and PhD® socks are brimming with innovations and technologies designed to enhance your adventures to escape from limitation and distractions. Enabling you to chase down horizons. Enabling you to achieve more than you thought possible. Enabling you to be free in wild places.