Bare 7mm Womens Sport Full Wetsuit for Scuba Diving and Snorkeling, size 18 Set-in sleeve design for superior comfort and mobility Heavy-duty back zipper with skin-to-skin internal sealing flap The Bare Sport 7mm Full Womens Wetsuit has 4mm flex panel in elbows increases flexibility Comfortable contoured 5mm GLIDESKIN collar with Velcro adjustment Internal skin-in flip seals at mid-forearm and mid-calf to reduce water entry