Bring the Arc'teryx Altra 85 pack on your next extended-range sojourn. This cavernous pack combines an advanced suspension system with a sturdy frame and light materials.

• Breathable suspension system is carefully designed to create a direct link between spine, suspension and bag to improve comfort and range of motion while reducing fatigue
• Suspension is bonded directly to the pack body for comfort and stability; features twin removable aluminum stays for reliable load support
• Anatomically shaped shoulder straps feature a core layer of perforated, air-permeable foam lined with breathable mesh for next-to-the-skin comfort
• Shoulder straps adjust both vertically and horizontally for a personalized fit
• Rotating Load Transfer Disc lets the hipbelt pivot, following your natural movements for agility and stability
• Thermoformed, triple-density hipbelt promotes airflow and evaporative cooling
• Removable and expandable top lid comes with 2 zippered compartments and a map pocket
• Extendable collar with drawcord adds capacity to the main compartment for handling large loads
• Dual side zippers allow quick access to the main compartment through the front panel
• Features a hydration-reservoir sleeve with port and hose clip for the drinking tube (reservoir sold separately)
• Front kangaroo pocket is perfect for stashing gear you may need in a hurry
• 2 stretch-mesh side pockets with elastic drawcords secure your water bottles or snacks
• 4 compression straps and padded compression wings let you cinch down your load for jostle-free carrying; micro daisy chains let you lash on gear
• Silicone- and polyurethane-coated pack body is made of 100-denier Invista HD Mini Ripstop nylon and 210-denier Ripstorm nylon
• Pack base is made of burly, 420-denier Invista HD plain weave nylon
• The Arc'teryx Altra 85 pack features a padded bottom, Hypalon trim and reinforced high-wear areas to bolster durability