A quality bike backpack with integrated back protection that is tested according to the highest level of the 1621-2 motorcycle standard. The VPD 2.0 back protection (Visco-Elastic Polymer Dough) offers a high level of protection with extreme shock absorption as well as a unique capability to adapt its shape to your body. The backpacks outer material is made of durable fabric and the back side has a heat molded mud shedding top fabric. The shoulder straps are ergonomically cut with strategically placed seams to ensure that the pack stays where it should. The pack includes all useful and easily accessible compartments for all that might be needed on a bike ride. The back protector is also detachable so the backpack can be worn separately. Others features include a bi-directional water exit tube, paddend easy access pocket for phone or camera, helmet pouch (fits full face helmet), and separate compartments for the back protector, hydration pouch, tool kit, tubes, and pump. NOTE: This pack is hydration system compatible but does not come with one.