2/2 Prologue Bz Ls Sp Fl Wetsuit. Long Sleeve Back Zip Springsuit for Women. Features include: Fabric: Neoprene at body and legs + HYPERSTRETCH 3.0 at arms and front low legs, Neoprene Foam: FreeMax super stretch neoprene for great performance & durability, StretchFlight 2 neoprene for increased warmth and comfort without sacrificing flexibility, 24% less CO2 emissions per wetsuit, Limestone-derivate eco-friendly neoprene made from scrap rubber tires and Bluesign® certified, Technology: Hydrowrap adjustable neck closure for a watertight seal, Thermal smoothie: Chest and back, Seams: Flatlock stitched seams, Water based glue used for lamination, Neck: Mock neck, Entry: Back zip entry system with YKK#10 plastic zip.