An extended-travel adventure backpack with a detachable daypack, built-in safety features and a back panel cover to prevent wear and tear. Protect and organize a phone, sunglasses, cords and small valuables in the SafeZone compartment. Keep money and a passport safe from pickpockets in the covert CashStash compartment hidden under the SafeZone. Navigate day trips with the removable 20L add-on daypack complete with 15 MacBook storage, a breathable backpanel, mesh storage pockets and a covert CashStash pocket for money and personal items. Enjoy a hands-free, balanced and secure carry by attaching the add-on daypack to the front of the shoulder straps. Prevent wear and tear with a zippered cover to protect the backpanel, shoulder straps and hipbelt when bag is not being worn. Deter theft with passive locking systems on the SafeZone and main compartment as well as lockable zippers and zipper pulls (locks sold separately. Belongings are held securely in place and organized with internal compression straps and mesh storage pockets. Securely store a water bottle and other small items in the zippered side pocket. Designed as a checked piece of luggage to support longer travel excursions. Easily move the sternum strap whistle from the main pack to the daypack for an added level of safety on any outing.