- 90% neoprene stretch fabric, 10% nylon. - 2mm side super sretch fabric: 94% Nylon, 6% Spandex. - 3mm neoprene outershell and under flap. - UV protection. - Open collar for better movement ease with adjustable velcro. - Glideskin seals on the edge of arm & leg. - YKK durable back zipper with Sea Doo puller. - Side pocket + key loop.