i have been using this backpack for all of my outdoor ADVENTURES including kayaking, camping and hiking. As a result of my tests, I determined that it is completely waterproof, durable and comfortable to wear for long periods of time.It also has plenty of space for all my equipment and gear. The only downside is that it can be a bit bulky when not filled to capacity, but that's a small price to pay for such a reliable and versatile bag. Overall, I highly recommend this product for anyone who lovSee full review