I had a lot of unintentional training with that during my mountain-bike years, in a time suspension forks didn't have lockout systems. That way, the moisture evaporates and puts a halt to the bacteria breeding ground that makes your shoes so smelly. Use proper form to avoid injury. Another thing to consider is how large your back and shoulders are – a backpack might look small in pictures, but if you have a small frame, it could still end up too large. If you’ve ever tried running with a backpacking pack on, you know what we’re talking about. Armbands are the most common products out on the market to hold your phone around as you run. Subscribe to get 10% off on your first order. The method of securing this to the Backpack Pro 2 is also really secure. It has three compartments for all your things, a front mesh stretch pocket, as well as a 2L hydration bladder. Ask Question Asked 5 years, 7 months ago. I currently usually take the train, but we're talking four [gently sloping up hill] miles. Last but not least, look for a backpack that is made to thrive in any weather condition. With one of these "devices", the bouncing effect would be increased a lot, and you will be forced to discipline your rhythm so that the bouncing stops or at least gets diminished. This back pack is made from a water-resistant, rip-stop polyester material that helps the backpack tolerate water and also makes it highly durable. 0 0. EELYRAM7 Posts: 370 6/29/10 1:17 P. Even people with very low body fat have muscles that shake and jiggle when they run. While there’s a pack that fits most every body, it’s still extra weight on your frame.