Arc'Teryx Altra 33 Backpack


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The smaller volume Altra packs, (Altra 33 through 50) keep weight to a minimum by using the efficient C2 (Composite Construction) system. The larger volume Altra packs (Altra 62 through 85) have a Load Transfer Disc™ that pivots to increase agility and stability on rough terrain and combine the C2 (Composite Construction) suspension with Gridlock™ shoulder straps that adjust for custom fit.


Trekking Near or Far


Composite Construction (C2) eliminates back panel layers to reduce weight without compromising on structure or comfort. The pear-shaped Altra design holds the pack close to the body, minimizing load movement and backward pull for extended comfort and energy efficient movement under weight.


Thick Skin


All Arc'teryx packs use premium fabrics. The textiles used in the Altra series are chosen for durability. 210D nylon 6,6 ripstop fabric is tear-resistant and long lasting; heavier weight 500D aty nylon 6,6 protects high wear areas and resists contamination from dirt, snow and water pick-up.


Suspension Details


In larger volumes, 62-65L, 72-75L and 85L Altra packs offer full adjustment of the shoulder straps with GridLockTM, a unique system that adjusts straps for both width and height. In larger volumes, 62-65L, 72-75L and 85L Altra packs offer the rotating Load Transfer Disc™ that distributes weight to the hips on uneven terrain.




Space efficient compartments, one-handed timesaving closures and pocket configurations make Altras the lightest weight, fully featured bags in their class. Wingman™ side pockets wrap over the hip and are accessible without taking off the pack.


Full Feature List


  •         Lightweight
  •         Durable
  •         Top grab handle
  •         Twin aluminum stays for durable support
  •         Women's specific design and fit
  •         Side zipper access
  •         Webbing zipper pulls
  •         Internal security pocket
  •         Kangaroo pocket with top compression strap and snap closure
  •         Two Wingman™ one-handed easy access pockets
  •         Hose clip
  •         Designed to fit up to 2L bladder
  •         Internal hydration pocket with zip
  •         Anatomically shaped shoulder straps
  •         Adjustable, removable sternum strap
  •         5 cm/ 2 in webbing hipbelt
  •         Padded, contoured shoulder straps
  •         Load level adjusters
  •         Arc'teryx C² (Composite Construction) suspension system
  •         Extendable collar with drawcord for additional capacity
  •         Top loading with side access zips
  •         Removable/ extendable top lid with two zippered compartments
  •         Key clip in lid pocket
  •         Four compression straps - two on each side
  •         P'ax one-hand axe attachment system—allows for one-handed access to tools




  •         210D nylon 6,6 Ripstop
  •         500D ATY nylon 6,6 silicone treated with PU
  •         100D nylon 6,6 mini Ripstop with silicon and PU coatings
  •         6005-T6 aluminum M-bar stays
  •         HD 80 foam back panel
  •         500D ATY nylon 6,6 silicone treated with PU
  •         Hypercel Foam


Size infromation


Short Regular Tall
1.05 kg / 37 oz
1.1 kg / 39 oz
1.15 kg / 41 oz
31 L 33 L
35 L
33 L max
35 L max
37 L max



Back Length inch cm inch cm inch cm inch cm inch cm inch cm inch cm inch cm inch cm
14 35.5 15 38 16 40.5 17 43 18 45.5 19 48 20 50.5 21 53 22 55.5
  WOMEN'S - SHORT [SRT]     WOMEN'S - TALL [TALL]        
          WOMEN'S - REGULAR [REG]        






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