Osprey39s radial 34 features a ventilated stretch yoke and load lifters on the harness combined with the elastic hip belt wing mean that the pack is able to move closely with the body offering extra flexibility and comfort with an integrated kickstand the pack stays upright by itself so you dont have to prop the pack up when accessing your gear or reaching for your phone this innovation also prevents the pack from tilting over and damaging your gear the lidlock bike helmet attachment