Mizuno Breath Thermo Racer MidSock Sock Size:X Large 7 Plastic bottles diverted from

7 Plastic bottles diverted from landfills

Made with tear proof woven fabrics

This lightweight merino wool sock is absolutely perfect for daily working

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

Mizuno Breath Thermo Racer MidSock Sock Size:X Large 7 Plastic bottles diverted fromThe 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