Carry basecamp-worthy loads with skis to boot, or journey beyond the reach of resupplies. For backpacking, thru-hikes and alpine expeditions, the Ariel AG?? Series has a pedigree like no other pack. Osprey set the bar for technical backpacking packs by combining Anti-Gravity?? technology with customizable fit and innovative features like the new convertible top lid to create a more capable and comfortable pack for long-haul load carrying on any multi-day excursion. Carry basecamp worthy loads with skis to boot, or backpack beyond the reach of resupplies. When you need a pack that can carry heavy loads for up to a week or for months, there is no better option than the Ariel AG?? 75 pack.. . Body is made out of 210D Nylon Dobby. Accents are made out of 210D High Tenacity Nylon Shadow Box. Bottom is made out of 500D Nylon Packcloth. Removable top-lid converts to DayLid?? daypack. Dual upper side compression straps. Dual access side stretch mesh pockets. Lower Inside-Out?? compression straps. Zippered hipbelt pockets. Stow-on-the-Go?? trekking pole attachment. Additional main compartment access. Large stretch mesh front panel pocket. Dual front compression straps with StraightJacket?? compression. Dual ice tool loops with bungee tie-offs. Zippered sleeping bag compartment with removable divider. Removable sleeping pad straps. Integrated FlapJacket?? cover for lidless use. External hydration reservoir sleeve. Large front J-zip access to main compartment. Imported.