Xcel Men's Comp + 2/1.5mm Chest Zip Short Sleeve Springsuit Wetsuit Performance Stretch and Comfort . The Comp+ features a new Channel Flex exterior that offers incredible stretch, along with a new Thermo Dry Infrared (IR) interior for next level warmth and comfort. Now crafted from Oceana®, 100% neoprene free bio-based foam, the Comp+ is the most comfortable wetsuit we make, with lightweight high stretch. We believe it is the most comfortable wetsuit in the world.