An easy-access built-in pocket keeps protectors of all sizes without unnecessary volume. Sweat-activated ArmourGrip technology on the forefoot and back of the heel helps prevent slippage in the boots. Full-foot medium cushioning for comfort and protection. Locked-In Fit construction keeps the sock securely on the heel. Mesh panels on the instep and calf for added breathability. The material drains sweat away and dries quickly. Anti-odor technology reduces odor in the sock. Built-in arch support helps reduce foot fatigue. A conformed heel hugs your foot for a better fit.