The brand new O'Neill Blueprint 5/4mm Chest Zip mens wetsuit is their most eco friendly suit in the range and boasts the same great quality features of O'Neill's top of the range wetsuits for men. The 5mm wetsuit is bursting with features that keep you warm and flexible in the water using all the very latest technology. Being a 5/4+ suit it means that the true thickness of neoprene is 5.5mm on the body and 4.5mm on the arms keeping you even warmer and enabling you to stay super warm and flexible even in the coldest of winter months. FEATURES - Fuze Closure - Chest Zip Entry - Redzone Water Resisant Zipper - 360 Barrier With Drainholes - Plasma Wrist & Ankle Seals - Stichless Seams - Technobutter 3X Neoprene Arms & Shoulders - Chest / Back / Thigh/ Butt: Nova Skin Air Graphene Fire Wall Thermal Lining - Shin / Calf Technobutter 3 Neoprene - 0.5mm Extra Neoprene Throughout The Suit - Aqua Alpha Solvent Free Neoprene Lamination