Ultra-light & fast drying ArmourDry® yarn technology improves the performance of your shoe. Evenly disperses moisture, allowing sweat to evaporate faster for a lighter, drier & cooler run. Breathable mesh ventilation channels where you need it most. Built-in arch support band. Odor control technology reduces odor in the sock. Seamless toe delivers superior comfort & reduced irritation. Left/Right specific fit & design. Reflective logo for low-light runs - Style #: 1386237. 3 pairs of socks. 95% Polyester/5% Elastane. Imported.