Enjoy a shift up hike. This is a lightweight and compact equipment that is essential. Lithium 20 is primarily made from recycled materials and treated with a durable water repellent finish that is PFC-free. Very light and breathable shoulder pad for comfortable carrying. 3D EVA foam air channels provide superior breathability Padded hip belt with fold-over pocket for smartphone storage. Remove if necessary. The same is the integrated rain cover. The backpack is compatible with hydration system. The side mesh pockets are also convenient for you to put them in and take them out while walking. Explore the mountain scenery with the Lithium 20.