The Solo Flex 7/5 is made entirely of HS200 high-stretch Neoprene for exceptional comfort and t. The thickness is 7 mm on the cranium and 5 mm skin-in neoprene for the face and neck. Face area left unbound to allow for custom trimming. Unique vent design releases the air trapped at the top of the head. Waterproof glued & blind stitched seams. Hanging loop located at the top for easy drying. Descriptive hangtag attached to the hanging loop. Designed to be used also with drysuits. The Solo Flex 7/5 is designed in Italy by Cressi and made in China. Cressi has been an Italian brand pioneer in scuba diving, snorkeling, and swimming equipment since 1946.