Highly breathable suspension system creates a direct link between spine, suspension and bag
Suspension is bonded directly to the pack body for comfort and stability; features twin removable aluminum stays and an HDPE framesheet 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
Lightweight webbing hipbelt
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 energy snacks
Compression straps and padded compression wings let you cinch down your load for jostle-free carrying; micro daisy chains offer more storage options
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 35 pack features a padded bottom, Hypalon™ trim and reinforced high-wear areas to bolster durability

Arc’teryx Nozone 75 Pack [rei.com]

Arc’ on ™ suspension utilizes aspects of the award-winning AC2 and Bora suspensions to ride comfortably over all kinds of mountain terrain with minimum sway or load slop
Thermomolded shoulder straps with sternum strap and removable, triple-density hipbelt provide comfortable control and support
Laminated back panel and framesheet are fused to the external bag; breathable, padded lumbar and shoulder areas help regulate moisture
Twin 15mm extruded 6061 aluminum stays provide solid load support and weight transfer to the hipbelt
Top-loading main compartment is crowned with an extendable collar and drawcord for additional capacity and a removable, extendable top lid with 2 zippered compartments
Pack exterior features dual haul loops, top grab handle, 2 compression straps on each side, stretch-mesh wand pocket and 1-hand-operable ice axe attachment
The Arc’teryx Nozone 75 pack is made with 100-denier Cordura Mini Ripstop® and 210-denier Ripstorm® with silicone and polyurethane coatings
High-wear areas are reinforced with 420-denier Cordura HT plain weave

MORE backpacks [rei.com]