Capacityà 38 liters weight 1.27Kg made of reinforced 600D polyester Breathable mesh inserts in the back side side straps and nylon inner bottom padded lumbar band to ensure adherence and comfort anatomical shoulder straps and backrests rigid inner reinforcement for back support removable easy opening of the backpack by die-cast zipper numerous pockets, three external elastic mesh with volume adjustment double external pocket with thread closure top pocket in the lumbar band elastic inserts for carrying mechanic tools