For backpacking, thru-hikes and alpine expeditions, the Aether AG™ Series has a pedigree like no other pack. We set the bar for technical backpacking packs by combining Anti-Gravity™ technology with customizable fit and innovative features like our new convertible top lid to create a more capable and comfortable pack for long-haul load carrying on any multi-day excursion.When you need a pack that can carry heavy loads for up to a week or more, there is no better option than the Aether AG™ 70. Size XL comes with a Large hipbelt and harness. • VOLUME DIMENSIONS WEIGHT • SM 4089 IN3 / 67 L 31.5H X 15.75W X 13.39D IN. 5.162 LBS. • MD 4272 IN3 / 70 L 33.46H X 15.75W X 13.39D IN. 5.214 LBS. • LG 4455 IN3 / 73 L 35.43H X 15.75W X 13.39D IN. 5.266 LBS. • XL 4638 IN3 / 76 L 37.4H X 15.75W X 13.39D IN. 5.319 LBS. • FABRIC • MAIN • 210D Nylon Dobby • ACCENT • 210D High Tenacity Nylon Shadow Box • BOTTOM • 500D Nylon Packcloth