Mares Classic 5mm Neoprene Scuba Diving Boots Get ready for your next underwater adventure with these high-quality Mares Classic dive boots. Designed for both comfort and durability, these 5mm neoprene boots provide excellent thermal protection for temperate to cool water diving. Heavy-Duty Side zipper for easy donning and doffing, featuring a gusset to minimize water exchange. Good sole that provides excellent traction on slippery boat decks and protection during shore entries. Tagged as Size 6/7 (US Men's 6 / US Women's 7).