5mm thick neoprene rubber with thermal lining, tear-resistant to prevent your feet getting hurt from underwater rocks, comfortable and warm to wear. The anti-slip design on the sole can avoid accidental slipping underwater or on land. Excellent pliability makes it more wear-resistant. Zipper design fits most people's feet well and offers a better waterproof experience. With a protuberant design on the ankle to prevent flipper straps slipping.
The YONSUB 5MM Neoprene Diving Boots is the product you didn't think you need, but once you have it, something you won't want to live without.