RUNPO(TM) Explorer-Hiking Backpack 40L by Modern Design with Waterproof Backpack Cover MULTI- POCKETS smart design: it has a spacious main pocket with padded laptop compartment, Allows for Secure Storage of Laptop Up To 15 one external pocket with a special space for iPad or tablet, one easy access pocket, an outer pocket, and two mesh water bottle pockets on each side; ADJUSTABLE and comfortable mounting system: straps to secure the tent or sleeping bag, adjustable chest and foam padded waist straps, reinforced handle, two D-rings hangers, V-shaped external strap, reinforced special zippers with easy access hangers, soft back-pads plus thick back cushions; WATER RESISTANT: it has an external rain cover for heavy rain and also the exterior material of the backpack is protected against light rain by a special water repellent layer; SMART-TECH and smart gear compatible: it has padded pockets for the latest gadgets, SMART BREATHABLE design with micro-ventilation system to prevent sweating everything made from durable material;