1、Multiple pockets, clear classification, easy to storage and take. 2、Back zipper pocket to put your important thing, easy take, can hold 6.5inch phone. 3、External USB port supports c-harging while playing for mobile phone. 4、Rhombus design of back pad, breathable to keep your back dry at summer. 5、Independent computer compartment, can hold 15.6inch laptop. 6、Detailed designs of glass hanging place, back luggage belt and elastic telescopic pocket both sides. 7、Waterproof nylon material, suitable for outdoor going and travel. The backpack for men is practical, multiple storage pockets, independent computer compartment and external USB port. It can accomodate 15.6inch laptop. It is breathable and waterproof, suitable for outdoor going and travel. Features: Multiple pockets, clear classification, easy to storage and take. Back zipper pocket to put your important thing, easy take, can hold 6.5inch phone. External USB port supports c-harging while playing for mobile phone. Rhombus design of back pad, breathable to keep your back dry at summer. Independent computer compartment, can hold 15.6inch laptop. Detailed designs of glass hanging place, back luggage belt and elastic telescopic pocket both sides. Waterproof nylon material, suitable for outdoor going and travel. Specifications: Material: Nylon Lining Material: Polyester Color: Black Capacity: 20-35L Shoulder S-trap Length: 0.45-0.9m Item Size: 450 * 300 * 110mm / 17.72 * 11.81 * 4.33in Package Weight: 700g / 24.69ounces Package Size: 450 * 300 * 110mm / 17.72 * 11.81 * 4.33in Packing List: 1 * Backpack 1 * Backpack