The titanium coating on the fabric destroys odor and bacteria. The material is resistant to low temperatures. The backpack is a classic backpack, with one large compartment and three small pockets for carrying and small accessories. The neck of the backpack is pulled by a cord and adjustable. The back of the backpack and shoulder straps are reinforced. The straps of the backpack are adjustable in length. All pockets are closed by noiseless polymer latches latches resistant to low temperatures.