Features: 6 pairs of ankle athletic socks enclosed. Moisture absorbing fabric, good ventilation, keep your feet dry and cool all day long. Reinforced heel and toe are thicker for extra durability and comfort. Stronger and softer terry bottom is comfortable to wear. Arch support for suitable compression and stable fit. Elastic cuff keeps the sock from sliding into the shoe. Three-dimensional heel design fits closer and be better protected. Ideal for running, cycling, mountaineering, hiking and other outdoor activities.