Air-Sole - Technology to support a comfortable grip. It is used compressed air to absorb the shock on impact. Size varies among different models of sneakers Nike Air - It works on the principle of air cushions located at the midsole and insole. When došlapu the compressed air cushion and reduce shock at his feet hit the ground. After došlapu the air cushion will return to its original shape. It is more durable than cushioning systems based foam.