Shoc Pad provides increased shock absorption in the heel and disperses impact throughout the footbed Neoprene foam and stretch mesh are comfortable and quick drying for rafting trips and river crossings Multiple adjustment points for secure and ideal fit Non-marking Spider rubber outsole provides exquisite grip in wet environments Nylon shank provides stability and protection as you walk over sharp rocks and sticks Microban technology uses the natural anti-odor properties of zinc to prevent stinky bacteria and fungus growth