Mizuno Breath Thermo Racer MidSock Sock Size:X Large Fabric wicks sweat and moisture

Fabric wicks sweat and moisture to exterior where it can evaporate or be absorbed by outer layers away from the head

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The wishing-you-didn't-wait-so-long-to-leave-the house run

Mizuno Breath Thermo Racer MidSock Sock Size:X Large Fabric wicks sweat and moistureThe 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