O'Neill Original 5/4mm Back Zip Winter Wetsuit 2019 When it comes to staying warm in a winter wetsuit for under £200 then you should consider the O'Neill Original 5/4mm Back Zip winter wetsuit for Men. It comes with 100% super stretch neoprene that keeps you nice and flexible in the water and restriction free. This also helps you to stay warmer for longer as the suit fits better. Thermal lining helps trap body heat again keeping you warmer. Another plus point is being a back zip wetsuit it is easy to get on and off so no struggling in the cold. FEATURES 360° Barrier with Drainholes Strategic Seamless Paddle Zones Single Seal Neck F.U.Z.E ENTRY CLOSURE SYSTEM: Uses the same zipper technology as our Patented Z.E.N Zip Closure keeping you dry and feeling loose. SMOOTHSKIN CARBON-FIREWALL: The interior thermal lining absorbs body heat in core areas and retains it due to the SmoothSkin exterior shedding water and reducing wind chill. ULTRAFLEX: Ultra Stretch, Super soft and premium neoprene for superior feel, flexibility and high performance. ULTRAFLEX TAPED SEAMS: Soft and durable neoprene seam tape. 0.5mm split-neoprene applied to triple-glued seams to seal out water keeping you dry and loose. O'Neill Original 5/4mm Back Zip Mens Winter Wetsuit 2019 - Black