One day we hiked the beach and they got wet and they still look great! The allen wrench has bends on each side, so its easy to turn it rapidly without repositioning your hand for the next turn. The narrow was still too big and it did not hold my feet in place. Theres a lack of consistency in sizing. Bought them for my husband and he loved them ! The sole marked the hardwood floor . Two in each hinge. I think they may have been treated with a chemical for storage or shipping that caused my reaction. ??). I like that they was not to high and i wearing them on my birthday