Combining quality materials and ergonomic design, Avant T vest offers more comfortable experience. Reasonable allocation of the weight on different parts of the body can greatly reduce fatigue and make operation easier. Reversible arm rod and support bridge make both right hand and left hand operation convenient and easy. Chest plate, straps and buckles are all adjustable so that the vest can fit more snugly. Unique sweat resist air-chute assures quick and efficient ventilation. Extreme light net fabric offers more comfort. The size of the vest is adjustable according to the size of the operator.