Enjoy a shift up hike. This is a lightweight and compact equipment that is essential. The Lithium 15 is the smallest model in the well-known backpack series that boasts outstanding functionality. Mainly made from recycled materials and treated with durable water repellent finish for PFC free use. 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 15.