The osprey radial 26 litre backpack is ideal for the daily commuter to the all weather mountain biker featuring an airspeed inspired trampoline suspended mesh backsystem this pack allows for great breathability when commuting in hot and humid conditions the ventilated stretch yoke and load lifters on the harness combined with the elastic hipbelt 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 up