This is the Henderson Thermoprene 5mm Womens Back Zip Jumpsuit Scuba Diving Wetsuit Features: Spandex Trim GBS-Glued & Blinstitched seams Back zip Adjustable collar Freedom flex kneepads Spinepad/zipper seal Get the features and design benefits of more expensive suits in this economically priced jumpsuit ideal for both local waters and exotic destinations. The Thermoprene Jumpsuit&';s effectiveness is based on a contoured fit that helps keeps water exchange to a minimum combined with a superior grade of neoprene for maximum heat retention. All seams are GBS-glued and blindstitched, which further prevents water seepage and extends suit life. Creature comforts include spandex trimmed cuffs, a spinepad and an adjustable collar.