Xcel Men's Comp+ 4/3mm Chest Zip Fullsuit Wetsuit Performance 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.