The shoe fits perfectly, provides stability and is very convenient. He also looks good. The light gray areas are covered with a net - nice for the optics, but detrimental to sandy soil. After a long walk on the beach my wife had trouble attracting the shoe again. He seemed to have become narrower and pointed bumps on the inside. The solution: Through the power had accumulated between the layers of sand, which had to be shaken out laboriously again. Overall, it was about 1 tablespoon per shoe.