As an avid outdoor enthusiast i was thrilled to try out THIS backpack. As a result of my tests, I determined that this is an excellent addition to any Sports and Outdoors gear collection. The durability of the material is impressive, and the hydration system is a significant plus for keeping hydrated on longer hikes or bike rides. However, I noticed that the size of the pack may be too small for extended trips, and the straps can dig into your shoulders if not adjusted correctly. Overall, this bSee full review