High Performance Stretch and Comfort. The Comp+ features Channel Flex exterior that delivers incredible stretch, along with a new Thermo Dry Infrared (IR) interior for next-level warmth and comfort. Now crafted from Ocena®, a 100% neoprene-free bio-based foam, the Comp+ is the most comfortable wetsuit we make. In fact, we believe it is the most comfortable wetsuit in the world.