Soft, thin ventilated leg panels deliver breathability and mid-density cushioned sole delivers maximum comfort Quick-drying Coolmax« polyester is soft next to skin and aids moisture control to keep feet cool and dry Nylon-reinforced sole extends durability in high-abrasion areas Over-the-calf length, dynamic 2x1 nonslip cuff and stretch bands keep sock in place. SOCK S19 M1 BK SM/MD