Knit with lightweight ultra-fast drying ArmourDry® & Iso-Chill yarns to keep your feet light, dry & cool. ArmourDry® yarns in heel & toe help disperse moisture allowing sweat to evaporate quickly. UA Iso-Chill yarns are super-soft & help disperse body heat, making it feel cool to the touch. Breathable mesh ventilation zones on top & bottom of foot where you need it most. Light terry cushioning strategically placed in toe & heel protects high impact areas without added bulk. New Locked-In Fit design keeps sock securely on heel for an adjustment free fit that wont fall down. Arch support helps reduce foot fatigue. Odor control technology reduces odor in the sock. Colour: black