The Arc'teryx Mantis 16 is the right choice for everyday life and day hikes, in situations where you don't need to bring the kitchen sink. Inside, against the back panel, you'll find a flat pocket for a separately available hydration bladder or computer. The surface fabric is lightly impregnated (PFC-free) to be water-repellent, but for longer rain, you will want to prepare by getting a separate rain cover. - The zipper opens all the way to the bottom of the main compartment - An aluminum frame structure keeps the backpack in check - Lightweight waist belt and chest strap - Lifting handle - Open, flexible side pockets for bottles - Small accessories pocket on top - Fair Trade product