The H2Odyssey Supra 5mm diving boots have hard soles and a convenient side zipper for easy entry and exit! The Perfect neoprene boot for Scuba Diving or with water sports that require a hard sole boot. Super Durable and one of the best selling boots we carry! Enjoy! Don’t forget to take care of all your neoprene accessories with a good wetsuit wash that eliminates bacteria and conditions the material. Keep your boots out of the sun and wash with fresh water each time.