The O'RIGINAL SERIES features the all new and exclusive RG8 TechnoButter Neoprene and Ultra Flex Smooth Skin Neoprene. Along with glued and blindstitched seam construction, it updates a series that Jack himself created 60 years ago. 2/1.5mm UltraFlex/FluidFlex neoprene Minimal seam deisgn Retro styling