Lightweight Flexibility. The Comp is the lightest, most stretchy wetsuit we offer. The 100% Ultra Flex exterior combined with our Thermo Dry IR (TDIR) interior and Fusion X taped seams chest down, make this wetsuit insanely lightweight and comfortable •An engineered fit for maximum comfort •Nanoprene Lite Japanese limestone neoprene •Thermo Dry Infrared (TDIR) interior for superior warmth •Ultra Flex exterior for lightweight stretch •Glide skin collar for added comfort •Watertight zipper for added warmth •Triple glued and blind stitched seams •Reinforced Fusion X taped for added durability •Dope-dye yarn and water-based glue