This 70L hiking backpack can expand to 100L via a bottom zipper, a main compartment and five external pockets for organized storage. The drawstring-equipped main compartment offers ample space for clothing, tents, blankets and travel essentials, while one front zipper pocket, a top pocket, a bottom pocket and two side pockets let you separate and quickly access items like water bottles. Made from durable 900D Oxford waterproof, wear-resistant fabric, it also includes an extra rain cover to protect against the elements and extend its service life. It features an external Molle system: two webbing straps on the top of the bag can hold a moisture-proof mat, multiple front straps let you hang tools or packs, two lower webbing straps attach tents or other hiking gear. Lightweight and easy to carry, this mountaineering backpack weighs just 3. Available colors: Black, Black Cp, Green, Khaki