The Glow-Flex 7mm Super Flexible Neoprene Semi-Dry hood uses ultra bright, day glow revolutionary material paired with a soft Smoothskin face seal that guards against some of the harshest conditions, which can be easily trimmed as desired. Hi Visibility light reflective panels ensure you can easily be seen in the water, with integrated vents for easy air venting assisting equalisation at depth. Ideal to keep you warm when diving in the most extreme cold or winter diving conditions. Size Medium to fit a head measurement of between 20 1/2 " - 52 cms and 22" - 56 cms at the widest point from the forehead, Click on Size Guide link below for sizing information. COLOUR: YELLOW WITH BLACK FACE SEAL.