The Women's Hyperfreak 5/4+ chest zip wetsuit is 5.5mm and 4.5mm thick, bringing you extra warmth without losing the stretch and flexibility we love so much. This is a great premium wetsuit for all watersports from swimming to surfing with extra stretchy Technobutter 3 neoprene.  Key Features: F.U.Z.E. Closure Minimal Seam Design 360 degrees Barrier with Drain Holes Double Super Seal Neck Construction: Full body/Legs: TechnoButter 3 Arms/Shoulders: TecnoButter 3X Glued and Blind Stitched Seams TB3X Fully Taped Seams