Add some style to your everyday look wearing the Aetrex Maui Starfish sandal. Aetrex arch placement may feel a bit further back, this position is proven to help relieve heel/arch pain plantar fasciitis. This arch placement is backed by research, Dr. recommended and customer approved. Synthetic upper and lining. Dual-density UltraSky EVA foam to provide cushioning and durability. Slip-on sandal with a soft toe post toe post for extra comfort. Dual-density, man-made outsole. Imported. Measurements: Weight: 5 oz Product measurements were taken using size 9, width M (B). Please note that measurements may vary by size.