Description: Non-slip: The high top diving for boots for adults are designed with anti-slip wave pattern on the outsole that are more comfortable and wear-resistant. Delicate zipper: These water booties adopt self-locking side zippers which are more secure and not easy to fall off. Sturdy: The shoes for underwater and water sports are equipped with soft vulcanized rubber outsole, which are beautiful, and the vulcanization bond is stronger. Intimate design: There are flippers anti-slip buckles on the water booties for men and women to keep flippers from falling off when diving. Premium fabric: The dive for boots are made of imported SCR rubber material, which is soft and comfortable when you put on the foot, and have a higher elasticity than most similar products. Specification: Material: 5mm neoprene (actual measurement is slightly less than 5mm). Color: Black. Size: XS: Shoe size: 33-35, Interior Length: Approx. 22.5cm/8.86 inch. S: Shoe size: 36-38, Interior Length: Approx. 24.5cm/9.65 inch. M: Shoe size: 39-40, Interior Length: Approx. 26.3cm/10.35 inch. L: Shoe size: 41-42, Interior Length: Approx. 27.9cm/10.98 inch. XL: Shoe size: 43-44, Interior Length: Approx. 29.5cm/11.61 inch. 2XL: Shoe size: 45- for 46, Interior Length: Approx. 31cm/12.2 inch. 3XL: Shoe size: 47-48, Interior Length: Approx. 32.5cm/12.8 inch. Note: There might be a bit of color distortions due to different computer resolutions. There might be a slight error due to different hand measurements. Package Includes: 1 Pair of Diving Shoes.