COMP+ 4/3MMPerformance Stretch and Comfort. The Comp+ comes with a new Channel Flex exterior that has incredible stretch, and a new Thermo Dry Infrared (IR) interior for next level warmth and comfort. The Comp+ is the most comfortable wetsuit we make, with lightweight high stretch. We believe it is the most comfortable wetsuit in the world.•An engineered fit for maximum comfort •Nanoprene Lite Japanese limestone neoprene •Thermo Dry Infrared (TDIR) interior for superior warmth •All new Channel Flex exterior with more 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