Feetures - High Performance Cushion - No Show Tab - Athletic Running Socks for Men and Women Power bands of Lycra hugh your entire foot for maximum support. This snug, supportive fit eliminates movement to prevent blisters. Ultra thin construction takes up minimal room inside the shoe iWick fibers wick moisture to keep feet cool and dry Mesh construction on top of the sock provides ventilation for added breathe-ability. Y-heel construction keeps the sock from sliding into the shoe Feetures High Performance Sock is the original sock design that put us on the map. The legendary sock features power bands of Lycra that hug the foot evenly for comfort and support. This snug, supportive fit eliminates movement to prevent blisters. High density cushioning provides extra protection in high impact areas. iWick fibers wick moisture to keep feet cool and dry while our mesh construction on top of the sock provides ventilation for added breathe-ability. Our Y-heel construction keeps the sock from sliding into the shoe. With the Feetures High Performance Cushion No Show Tab Sock, gone are the days of that irritating toe seam. The Perfect Toe lets you run without having to think about your socks. In addition, our advanced No Show Tab height sits below the ankle for maximum versatility.