Amazon.com | CAMEL CROWN Men。Synthetic or Rubber Synthetic Ergonomic design provide a natural foot posture. They offer a lot of arch support and stable side motion which is super supportive and comfortable for hiking ,standing walking,or doing sports...Also with superior workmanship in stitching and trimming. Stylish jacquard ribbon details adds a sporty look. Soft textile lining between all the straps and your skin which provides optimal comfort which will not cause blisters. Multiple adjustable straps with hook-and-loop closures assure a personal fit, easily take on or off and stay firmly in place even long distance walking. The shoes midsole is made of bouncy MD which absorbing shock when landing on the ground. So that it can effectively mitigate impact. The footbed also with dense anti-slip triangle patterns to prevent slipping and quickly dry when get wet.