Mizuno Breath Thermo Racer Mid Running Sock grade school Brushed and warm

Brushed and warm

360 reflectivity to keep you safe and an updated fit to keep you comfortable

Adjustable lace closure

Mid Weight wind resistant glove featuring Mizuno's signature Breath Thermo® thermal fabric technology that uses escaping body vapor to generate heat

Made of TYR's most durable and flexible textile possible

Mizuno Breath Thermo Racer Mid Running Sock grade school Brushed and warmThe 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