This pair of 6mm Akona Zipper Diving Boots are great for your next scuba diving adventure. Features of these fantastic booties include: AKONA QUALITY Constructed of 6MM nylon II neoprene for warmth Glued and blind stitched seams for a superior water seal New design provides a contoured and snug fit This creates a more comfortable and warmer boot The new improved AKONA boot sole provides exceptional no-slip" grip texture New spike-like rubber sole features a deep cut pointed texture that drastically reduces hydroplaning across a boat deck, dock, sidewalk or floor 30% thicker than the average vulcanized rubber sole AKONA's new sole design provides comfort, stability and confidence while being worn before, during and after the dive YKK #5 self-locking and corrosion resistant zippers on side of boot Full-length zipper pocket minimizes water entry A longer pull-tab on the heel allows you to don the boot with greater ease Great boot for warm and cold water diving Model #AKBT268 These 6MM Neoprene Boots are a fantastic deal for diving, walking through tidal pools, and other water sports!"