Please read the product description and profile carefully. I used this for day hikes and as a sub-pack for tent camping. While it's designed for trail running and prioritizes lightness, it also has plenty of functionality, such as a hydration port, side pockets, and shoulder pockets. Since it doesn't have a back frame, it can be folded up small and stored inside your main pack for use as an attack pack. I've used it quite a bit, so there's some peeling of the logo print and some scratches. Please refer to the photos. Retail price: 13,500 yen (tax included) Capacity: 16L Weight: 396g