This is for those who do not want to be tired when wearing a backpack. The shoulder straps are loaded with Techlite Velocity LOAD that evenly distributes the weight. At the same time, the chest belt helps keep the ackpack in place with a whistle attached to it, in case of emergencies. The side pockets are easily accessible and fit bottles with ease. That's not all, there is a water drinking system that can hold upto 3L of water for those long stretches of roads wherein you may need water every now and then!