Aetrex Maui Flips are made from UltraSKY™ injected EVA to provide extreme cushioning, shock absorption and durability. The toe post is specially designed with super soft foam to keep your toes comfortable all day long. Arch support helps to stabilize and align feet. Metatarsal support to help reduce ball-of-foot discomfort. With Aetrex Maui Flips you'll feel like you're walking on air and enjoy the most comfortable footwear experience on earth.