Very light and quick-drying ArmourDry technology improves performance.It disperses moisture evenly, allowing sweat to evaporate faster for a lighter, drier, cooler run.Breathable mesh ventilation channels where it's needed most.Arch support helps reduce foot fatigue.The anti-odor technology reduces odor in the sock.The seamless toe provides excellent comfort and reduces irritation.Specific cut and design for left/right side.Reflective logo for running in low light.