Mares Graph-Flex 5mm HoodGraph Flex 5mm Hood An addition to the Flexa line, this hood incorporates graphene fibers woven into the inner layers. This revolutionary material traps and reflects heat to enhance your overall warmth. Try for yourself and see the amazing potential this hood has! Features: Infused with revolutionary graphene fibers Likely the warmest SCUBA hood ever made New streamlined cut and design Minimal graphics and logos for a clean look and feel