Brandit Backpack US Cooper Patch Medium (black) With plenty of space and various functions due to its functional design. The padded back and ergonomically shaped and padded shoulder straps provide great comfort and because of the breathable mesh fabric they also reduce sweat and wick away heat and moisture. Dimensions: 45 x 24 x 26 cm, 25 liters volume. Material: 100 % polyester, lining: 100 % polyester.