We have incorporated a ventilated interior mesh to provide the wearer with the ultimate in cooling. Double stitched seams and "X" stitching at all ends for the strongest construction. We utilize Military grade Ripstop Nylon material for all the construction, even for the optional accessories. Heavy Duty straps and Clips are utilized throughout. Double closure Velcro and snap Plate pockets to keep them secure. Carries 11x14 or 10x12 front and back plates and 6x8 sideplates.