The inside toe space of these shoes is slightly narrow. Some of our customers feel the shoes fit a half size small. We recommend selecting a half size larger than your usual size for a comfortable fit.Non-slip outsole using durable and enhanced rubber to prevent slip and fall, high elasticity and shock absorption to provide security for walking, gym, tennis, jogging, workout, fitness, running and other sports.The ETPU cushioned midsole is designed with upgraded shock absorption structure, which enhances cushioning effect, light, soft, flexible and durable for added comfort and support during prolonged wear.