"Ball/Heel Medium-density padding added at the ball and heel for extra protection against shock, impact, and abrasion. Arch Low-density pad cushions and supports arch, allows better fit. Instep Flat knit for better fit, moisture evaporation. Content:86% Acrylic, 10% Stretch Nylon, 4% Spandex Note: WGXL-11 & WGXL-15 are not available in Navy."
