NeoSport Wetsuits Premium Neoprene 3mm Hi Top Zipper Boot PREMIUM TECHNOLOGY: Water boot is designed using neoprene for the necessary durability and reliability.Boot Size Reference Women's Boot Fit Guide: Women that wear a size 8 should order a men's size 7 MULTI-SPORT BOOT: Premium water shoe perfect for a variety of water sports like diving, paddle boarding, kiteboarding, wakeboarding, kayaking, and many others. WATER RESISTANT: Uses a heavy duty zipper for a "Water Entry Barrier" that limits water exchange and helps keep feet toasty warm. EXCELLENT PEFORMANCE: Offers the perfect balance of warmth and flexibility for scuba divers in all weather and water conditions. DURABLE WATER SHOE: Heavy duty abrasion resistant water shoes with a hardened insert sole for puncture resistant protection.