Mizuno Breath Thermo Racer MidSock Sock Size:Medium the Solstice Balaclava minimizes the

the Solstice Balaclava minimizes the amount of exposed skin with a stretchy cozy layer that lets you see and breathe comfortably

Athletes benefit all year round from maximum comfort thanks to the anatomical shape and optimum heat and moisture management

Zippered chest and hand pockets for stashing necessities

LOCK LACES® are the original “no-tie shoelaces”

Mizuno Breath Thermo Racer MidSock Sock Size:Medium the Solstice Balaclava minimizes theThe 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. 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 microclimate for best