SmartWool PhD Run Ultra Light Low Cut Sock

SmartWool's PhD Running Ultra Light Low Cut Sock earned its degree in technical performance with a minor in the utmost comfort. ReliaWool technology uses merino wool for ultralight temperature regulation, natural odor resistance, and long lasting durability. SmartWool's 4 Degree elite fit system uses elastic bands at the ankle, upper instep, lower instep, and arch for greater stretch and recovery. This smart sock also features a virtually seamless toe and mesh ventilation zones for extra comfort.