This is the Bare 7mm Reactive Full Jumpsuit Wetsuit for Scuba Diving Features: Velcro adjustment on collar features a booklet-style cover, to protect your suit from snags and pilling Seamless underarms for superior comfort and mobility Extra-long (21) S-Lock2 back zipper with offset tooth design and PU coated zip tape guards against water entry Skin-to-skin double internal sealing zipper flap Full length puller with silicon print for easy grip; grip tab at base of the zipper Extra-long (11") heavy-duty ankle zippers for easy donning Armor Flex 2.0 highly flexible, durable, abrasion resistant 3-D kneepads Anatomically correct pattern for three dimension fit throughout Introducing a major innovation in wetsuit comfort; Reactive, the first wetsuit in dive to use Celliant Infrared fabric, a responsive textile, that continuously warms the diver using their own body heat.