QUICK REALESE SHOULDER BUCKLEShoulder buckle fast transfer,according to the length of the height,easy to wear and take offï¼Waist tubes technology quick release locking systemï¼ achieved lock and release by one hand in momment. | SHOULDER ADJUSTMENTPadded and reinforced shoulder straps can be adjusted quickly. Fast putting on/Fast taking off. | WAIST TENSION BANDS ADJUSTMENTAdjustable waist straps and tension bands can be adjusted the size according to the body shape. | WAIST VELCRO ADJUSTMENTThe waist can be adjusted by Velcro,It is more convenient to be equipped with hand drawstring. |