Unmatched Warmth and Comfort. The Thermo Flex series is the Warmest, Lightest, most Comfortable Dive suit in our lineup. This series offers Radiant Rebound throughout the body and hood which locks out cold while rebounding your body&';s heat within. The multi-density vented hood has a GlideSkin face seal and a comfortable contoured chin. Completely sealed seam construction, compression resistance eco foam, and our latest Channel Flex stretch make this vest the highest level of Warmth and Comfort. Channel Flex, Radiant Rebound, Triple Glued and Blind Stitched, Compression Resistant Eco Foam, Sealed Wrist and Ankles cuffs, Engineered Fit