C Skins Session 4/3mm Back Zip Men\'s Wetsuit 2021 The C Skins Session 4/3mm back zip wetsuit for Men is the ultimate solution for warmth, fit and flexibility on a budget. The ThermoTech internal torso maintains core warmth on those cold off-shore days and performance enhancing FutureFit combined with Xtend neoprene throughout makes this suit awesomely flexible. The Seesion wetsuit is great in UK waters from April till December so can make a great all year round suit. A very high quality suit giving you incredible flexibility and warmth. FEATURES • Xtend neoprene  • ThermoTech neoprene back panel  • 3D pre bent Dura Flex knee pads  • O-Ring Super Seal Glideskin collar  • Back zip entry  • Back Wing  • Glued and blindstitched seams  • Critically reinforced seams   • Seamless paddle zones  • True Thickness  • Key Pocket