Xcel Men's Comp+ Long Sleeve Spring Wetsuit 2mm 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. Materials Ocena®, 100% neoprene-free, bio-based foam Specs * High Performance Stretch * An engineered fit for maximum comfort * Crafted from 2mm/1.5mm Ocena®, 100% neoprene-free, bio-based foam * Thermo Dry Infrared (TDIR) interior for superior warmth * All new Channel Flex exterior with more stretch * New Q Lock comfort seams * Dope-dye yarn and water-based glue