Back Zip Wetsuit for Women. Features include: Eco-Conscious Fabric: Recycled pro stretch polyester blend exterior fabric, Silicon stretch interior fabric, Neoprene Foam: Partially recycled Superlight Foam; Upcycled car tires and neoprene scraps combine to create great thermal retention with a high-stretch combination, Exterior Seam: F-Lock; Flatlock stitched seams that are locked but not sealed, Shape: Long sleeves full suit, Thickness: 3/2 mm thickness, Neck: Mock neck, Sleeves: Long sleeves, Entry: Back zip entry.