Continuing the deluxe custom fit legacy with Recurve suspension and BioForm A/X components the Osprey Aragon 70 for men is the most customizable and comfort oriented packs. Features include a 40d Sil Nylon AquaSource that converts to a hydration pack with padstraps vertical zip access into main body wide mouth sleeping bag compartment top lid that converts to a lumbar pack with AirScape lumbar and zippered easy access side pocket