Arcteryx Fireweed Altra 75

Lightweight, large-volume, multi-day trekking backpack.
Regular
2.3 kg / 81 oz
75 L
82 L max
Tall
2.4 kg / 85 oz
79 L
86 L max
Sizing Chart:
Pack Sizing Chart
Style:
Packs Over 60L
Packs 5-plus day expedition
Activity:
Trekking This large volume trekking pack combines lightweight and durable traditional materials with our patented AC2 suspension system, delivering maximum comfort and load control in a lightweight package. The top-loading Altra 75 also has a full length inverted U-zipper for panel-loading convenience, and breathable shoulder straps, backpanel and hipbelt offer warm weather comfort. Laminated and padded compression wings provide zipper protection and storage.


Technical Features

Lightweight

Construction

Pivoting hipbelt with Load Transfer Disc provides increased agility and stability
Twin removable aluminum stays for durable support
Padded bottom
Top grab handle
Occipital cavity provides unrestricted head movement

Zippers & Fly Configuration

Full length U-zipper access
Laminated zipper protector, doubles as a compression storage flap

Reinforcements

Reinforced high wear areas

Integrated Features

Key clip

Pack Pocket Configuration

Map pocket
Kangaroo pocket with top compression strap
Stretch-mesh stash pockets on hipbelt
Two stretch-mesh pockets

Pack Hydration

HydroPort
Modular hose clip
Internal hydration pocket with zip

Pack Suspension Configuration

Arc'teryx AC (Advanced Composite Construction) suspension system
GridLock shoulder strap adjustment system
Anatomically shaped shoulder straps
Modular sternum strap
Breathable shoulder straps and hipbelt
Adjustable shoulder straps
Thermoformed triple-density hipbelt

Pack Loading & Closure Configuration

Top loading
Panel loading
Extendable collar with drawcord for additional capacity

Pack Lid Configuration

Removable/ extendable top lid with two zippered compartments

Pack Compression Strap Configuration

Four compression straps - two on each side
Padded compression wings allow additional storage configurations

Pack Attachment Configuration

Micro daisy chains

100D Invista HT Mini Ripstop with silicone and PU coatings
420ACT fabric
420D Invista HT Plain Weave
EV 50 foam
Hypalon trim
Spacermesh
210D Ripstorm with silicone and PU coatings
840D Stretch mesh
EV 50 Perforated foam

6061 aluminum stays
Plastazote HD80 Surface clean only.