ON Performance Run Sock Mid Accessory Size:XS The reservoir combines soft materials

The reservoir combines soft materials

We've also used less water and reduced our carbon emissions while producing the shoe’s sock liner

Protect your skin against rubbing that causes chafing

Easy Hydration - Two chest pockets provide fast access to your flasks on the go

ON Performance Run Sock Mid Accessory Size:XS The reservoir combines soft materialsThe ON Performance Run Sock Mid is engineered to provide breathable comfort, targeted support, and reliable cushioning for every run. Designed with moisture wicking fabrics, strategic ventilation zones, and an ergonomic foot specific construction, it helps keep your feet cool, dry, and comfortable from the first kilometre to the last. Whether you're heading out for a daily training run or building mileage for your next race, these lightweight