The MindShift Gear's Rotation 180 Horizon takes the highly successful and innovative design of the rotation180º backpack, engineered for the outdoor enthusiast, then adds extra space for larger gear including clothing, climbing gear, laptop and accessories. A simple pull provides you the ability to have easy access to guides, maps, tablet, or anything else you would need during your outdoor excursion. A 13" laptop fits in the main compartment. This bag provides a seamless experience for those engaging in various outdoor activities without having to change your pack. A rain cover is sold separately. A Nikon D810 with 70-300 f/4.5-5.6 attached + 18-35 mm f/3.5-4.5 + Flash + tablet or the Sony a7 with 24-70 mm f/4 attached + 70-200 mm f/4 +16-35 f/4 + tablet or 1-3 GoPro® bodies, LCD BacPac, remote, batteries, SD cards, various mounts and adaptors + tablet can fit into this backpack. The exterior backpack dimensions are 11" W x 24.4" H x 9.1" D (28 x 62 x 23 cm). The interior backpack dimensions are 8.5" W x 11" H x 4" D (22 x 28 x 10 cm). The exterior beltpack dimensions are 11" W x 8.7" H x 6.7" D (28 x 22 x 17 cm). The interior beltpack dimensions are 10.4" W x 7.9" H x 5.5" D (25.5 x 20 x 14 cm). The weight of the backpack is 2.7 lbs and the beltpack weighs 1.2 lbs for a total weight of 3.9 lbs.