Mizuno Breath Thermo Racer Mid Running Sock Size:Medium runners of all ages

runners of all ages

and the euphoria experienced when pushing endurance limits

Moisture wicking

Weight 143

extra-deep heel pocket

Mizuno Breath Thermo Racer Mid Running Sock Size:Medium runners of all agesThe BT Racer Sock is a mid length sock for your coldest runs, made with our heat generating Breath Thermo technology, this lightweight sock boasts all the warmth you need without the bulk. TECHNICAL DETAILS BREATH THERMO: Mizuno's exclusive thermal fabric technology that uses escaping body vapor to generate heat. DRYLITE: Using a dual filament yarn construction to transport excess moisture away from the body to create a comfortable and dry body