Very flexible shoe, lightweight water-friendly. Exercise, chill at home, or running errands even wear to the beach!. They have a cushioned neoprene insole, Durable FlexForm™ soles, and reinforced toe guard making them great for outdoor wear and fold easily to travel I have a low arch and the straps were too loose. Reviews say that people with high arches love them. Innersoles are removeable so you can add your own.