On Running Men's Performance Mid Sock Size:XL Dynamic anti-fatigue technology footbeds absorb

Dynamic anti-fatigue technology footbeds absorb shock and returns energy at key zones of the foot for all-day comfort

While the PHORENE™ midsole supplies energy return and bounce

the Voya Flip combines the foot-forming comfort of our famed Mush™ topsole and an array of one-of-a-kind strap designs

Upper: Nappa Leather

Vulcanized bottom for flexibility

On Running Men's Performance Mid Sock Size:XL Dynamic anti-fatigue technology footbeds absorbThe running sock that balances a feeling of protection and performance. Comfort that keeps you going. FEET, PRIMED The pattern at the arch triggers sensory receptors to prime your feet for the run while Swiss engineering keeps the sock firmly in place for performance standards that don't slip. TEMPERATURE TECH Made using 100% recycled polyester, it features technical mesh paneling to keep temperature in perfect balance. Cooling when things heat up,