Official Shop Backpack Climbing Rucksack Large Capacity 45L Rain Cover Included Waterproof Hiking Disaster Prevention Lightweight Breathable

[Ergonomic design, reduce stress] Adopts a lighter aluminum bar bracket, which can improve support and stability, reduce weight and increase strength. The waist support has been upgraded, making it wider and thicker, and the split line in the middle of the belt allows you to easily tighten the backpack, allowing the entire weight to work on your waist and crotch. According to different people's heights, you can freely adjust the waist support to make it more comfortable to use. [45L large capacity design] Size is 62x28x18cm. Capacity: 45L Weight: 1.7kg. Our mountaineering backpacks have ample storage space with top, front, side and waist pockets. Items can be placed in different areas and functions. Side pockets can store frequently used items, and a new opening has been added to the front for easy storage. There are many external hanging straps on the top and sites, in addition to the designed capacity, you can also expand the additional space of 5L. [Comes with a rain cover & good breathability] There are many mesh panels on the back to increase breathability, and the sweat wicking and heat dissipation effects are good. The shoulder straps have been upgraded to be wider and thicker with breathable fabric, making them easier and more comfortable to use. The included rain cover is built into the bottom and can handle sudden heavy rain. [Multi-functional & High Quality] Comes with a water bag spout and hose fixings to keep you hydrated at any time, and you can also store your tablet inside the water bag. The sternum strap is equipped with an emergency whistle, adopts YNS high quality buckle and YKK zipper, and upgrades the internal roll discount piece closure to ensure functionality and safety at the same time. [After-sales service] Naturehike products have a 30-day warranty from the date of purchase. Our store quickly responds to after-sales care for the products you purchase. Please contact us through your Amazon purchase history with your order number.