The Ergon BX2 backpack is all about comfort. It uses a new shoulder strap setup that requires minimum user input to find the correct fit. It features four back length levels and uses other straps to find the correct angle on the hips and shoulders. The Ergon BX2 also introduces new load-compression technology. The shoulder straps meet under the pack, compressing the load and ensuring it is as close to the rider’s center of gravity as possible. This aids in stability compared to conventional packs. Price: $66 More: ergon-bike.com