"Patented and engineered to keep the foot drier and more comfortable. Ideal for lace-up style boots. Special Thor-Lon yarns wick away moisture and provide durability. Midweight padding High wicking Protects against shear, impact, and pressure points Fabric content: 74% acrylic, 21% stretch nylon, 5% spandex Note: Size 15 is not available in Navy."
