This SeaSoft 3mm Hood with Bib is a great, comfortable hood. Features of this wonderful hood include: One of the warmest 3mm hoods on the market today Compressed neoprene for the SEASOFT PRO 3 Hood&';s back three panels that cover the top and back of your head This means that while other hoods are getting thinner from depth compression and thus colder, your SEASOFT hood maintains its original thickness and warmth This also means more warmth at depth, not only on the surface Made with 5 types of neoprene for maximum comfort No middle seam down the chin which reduces jaw fatigue Bib to help prevent water from flushing down the back!!! Rubber face to seal to help prevent flushing HW30 This quality, well constructed hood is a perfect addition to your scuba set. Have fun and be warm during your dives.