Sandiline - Long John Basic ZipSandiline Long John Basic Zip The ideal solution for beginners, schools and rentals. The YKK zipper allows easy dressing and fast undressing. This long john also features asymmetric cut on ankles for easier donning, less tearing and therefore more durability. This long john is made with 3 mm double lined neoprene. The back of the long john is made with abrasion and tear reinforcement duratex neoprene. It comes in black Details : performance cut