Used Seac Pro HD with Side Zipper, 6mm Neoprene BootsA great choice for scuba diving in cooler waters, this pair of Seac Pro HD neoprene wetsuit boots have a 6mm thickness and provide excellent protection with their rigidly molded, high grip sole that's extremely impenetrable. These boots also feature excellent arch support and a heel air bubble that helps reduce stress. They're easy to get in and out of thanks to the easy to grip zipper and reinforced hook and loop closure on the side of the boot,