So that you can take a sip of water whilst you ride, the rucksack features a magnetic retainer sternum strap bite valve attachment. Talking of magnets, the sternum strap has an innovative closure mechanism, allowing you to open and close it without taking your eyes off the trail.When you encounter uneven terrain, the foam ventilation used in the parts of rucksack that come into contact with your back, such as the back and shoulder pads, give a little bit so that your natural motion doesn't falter, while also ventilating excess heat on the move.For storing your sunglasses or small essentials, there's a scratch-free pocket inside the front panel, alongside a brightly coloured clip to ensure that you're never separated from your keys ... More info