Kickers Shoe by NRS Synthetic The 3mm Neoprene upper and insole, with glued and blind-stitched seams, will keep your feet warm from heel to toe The high-traction sole wraps up around the upper, adding protection to the sides of your foot where it's needed most A 2mm Plastic shim in the sole gives added protection from sharp rocks The wide instep strap and ankle drawcord ensure that these shoes stay put