I am selling my 5 mm semi-dry wetsuit , I just used 5 times in total. It comes also with the head cover . The Wetsuit's brand is FREE SHARK . It is for a man 165/175 cm tall and around 70 kgs weight . A quality semi-dry wetsuit will also often employ a waterproof “dry” main zipper, the same kind normally found on drysuits. When combined with the sealing system, this creates a dive suit that still allows a very thin layer of water to enter to be warmed by the body, but that demonstrably minimizes the amount of flushing action that occurs due to the suit’s superior sealing properties. Less flushing action means the body doesn’t have to continually heat up new water, which means less heat loss over the course of a day’s diving. So you end up getting all of the benefits of a wetsuit – fit, comfort, range of motion, minimal hydrodrag, with sealing benefits that more closely resemble a drysuit.