The Outdoor Products Quest Daypack is a great backpack for any situation. It is hydration compatible with 2 or liter hydration reservoirs (hydration reservoir not included). The 29-liter backpack has a main compartment that gives you plenty of room for your gear and the top soft-lined pocket is great to keep your electronic devices safe. Use the multiple MOLLE attachment straps to carry all those additional items you need handy during your trip. It is suitable to be used by a senior, adult and kids. The lifetime guarantee ensures you will be using this backpack from Outdoor Products for many years to come.