We have two pairs of boots for our Egypt bought holiday as bathing shoes are recommended by the tour operators there. The hotel was right on a reef. The shoes have a stable rubber sole and adapt to the foot very well. The comfort of the shoes is very good, so that they can also carry on the beach to protect from the hot sand. Man can even in combination with diving fins (which are behind closed by a flap) wear. Worked really great.
One star deduction, there are unfortunately, because the shoes already slightly loose sit after 14 days on foot and so while swimming (crawl) already slipping something by foot. The elastane in the waistband socks seems auszuleiern something. Maybe you should order one size smaller shoes so, so that the federal government sits equal more tightly. :-)