Airbac is a breakthrough innovation, introducing the only backpack with a patented air support system to help you feel like you're carrying half the weight. Airbac backpack can distribute weight load evenly, providing proper posture and spinal growth. The straighter you stand the lighter the backpack feels. Airbac technology supports lumbar and lifts content off yourback, thus, alleviates stress. It has the shock absorption feature that adds protection to your laptop and photography equipment or other bag content. Airbac padded shoulder strap that adjusts to any body type for a customized fit and the patented air support system provides maximum comfort to any body type, young and old, tall or short, slim or not.