A great improvement on last years RG8 wetsuit for sure. Added warmth with the new chest and paneling which features O'Neill Firewall poly pro lining. This wetsuit is made from recycled materials to have less of a impact on the environment.100% Ultraflex RG8Same stretch as UltraFlex DS Material in an environmentally friendly option.F.U.Z.E. Closure SystemFront Upper Zip Entry uses the same zipper technology as our Z.E.N. Zip closure keeping you dry without restricting flexibility.1X Fluid Seam WeldFront & Back Panel Ultraflex FirewallMeasurablt Lighter, warmer and More Flexible (30% More Stretch)