The AKONA 3 mm Boots are a durable nylon II neoprene snorkeling and dive with a ribbed and durable rubber sole for comfort and Anti Slip design. The 3 mm thickness of boot provides toughness while maintaining warmth in waters 75 degrees or warmer. Boots are equipped with strong and durable zippers with sealing flap behind zipper to prevent water seepage. All seams are glued-and-sewn and the boots top edge is elastic taped and sewn. Boots are available in multiple sizes from 5 to 13, and are black in color.