Rab Aeon Ultra 20L Backpack Firecracker, One Size

Made for speed, the Aeon Ultra 20L Backpack features a body-hugging harness with dual sternum straps and a waist belt for a no-bounce fit that keep us moving nimbly on the trail. Multiple zip and drop-in harness pockets can stash flasks and gels to keep us fueled on the go, while a generous main compartment stores the necessary gear for the long haul.