C-Skins Session 4:3 GBS Chest Zip The Session is the ultimate solution for warmth, fit and flexibility on a budget. All new Xtend II Neoprene placed in the upper body gives insane freedom and performance while the ThermoTech II back panel maintains core warmth for those cold off-shore days. • Xtend II neoprene upper body • Xtend neoprene lower body • ThermoTech II neoprene back panel • 3D pre bent Dura Flex knee pads • Super Seal Glideskin collar • Enigma 2 Chest Zip • Glued and blindstitched seams • Critically reinforced seams   • Seamless paddle zones • True Thickness