The Chest Pack is made of high quality with material Oxford cloth - Ergonomic strap is more comfortable(Tip: Some product tapes do not have logo) - You can wear it on your shoulder or cross your body - Adjustment system on back can accurately adjust the focus for different height and shape - Length of the long strap of the bag can be adjusted - The Chest Pack is provided with enough 8520/pockets, available for putting in your mobile, wallet, pens, sunglasses, keys and other stuffs - the Style of the bag is classic, which shows your outstanding temperament - Color: Black, Gray, Blue - Material: Oxford cloth - Size : 2size