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 Load-Carrying webbings 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.