Mizuno Breath Thermo Racer MidSock Sock Size:X Large That hero isn’t on social

That hero isn’t on social media

Stance performance tabs deliver superior comfort with an informed

Mid-cut upper with rugged leather materials

This lightweight merino wool sock is absolutely perfect for daily working

Mizuno Breath Thermo Racer MidSock Sock Size:X Large That hero isn’t on socialThe 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