Cressi"s Palma Short 3 mm Boots are manufactured from a Super Elastic and Ultra Durable Nylon ll 3 mm Neoprene Rubber These Boots are great for either Full Foot or Open Heel Fins The Boots are Lightweight and a great addition to the Traveling Diver"s Gear Bag Boots are Extremely Comfortable with a Grip Sole Design to assist with Non-Slip on Wet Surfaces such as Boat Decks and Slipper Ladders The Palma are Built-to-Last with Glued-and-Sewn Seams for Strength and Durability Boots are Black in color and are covered by a 12 month limited warranty.