Aonijie C9111 is a 30L Backpack that can be used for multistage self supported long distance running, such as MDS, Tor De Geants, Racing the Planet series...

With weight under 600g, it is built with a main storage for water bladder& bulky items. It is also constructed with multiple stretchy storage pockets for accessories, energies and flasks. 

As lightweight & functional it is,  C9111 is also a good option for day hiking and traveling. 

Fabric: Nylon, Spandex, Polyester

Weight: 580g 

Size Recommendation: 76-118 cm chest circumference