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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. The smaller volume Altra packs, (Altra 33 through 50) keep weight to a minimum by using the efficient C2 (Composite Construction) system.
Trekking Near or Far: Composite Construction (C2) eliminates back panel layers to reduce weight without compromising on structure or comfort.
In l62-65L, 72-75L and 85L Altra packs offer full adjustment of the shoulder straps with GridLockTM, adjust straps both width and height
Pack Body Material: 210D nylon 6,6 ripstop is a high density single ripstop fabric coated with silicone to shed moisture and increase waterproofness
Collar Material: 100D nylon 6,6 mini ripstop
Stays Material: 6005-T6 extruded aluminum M-bar stays are rigid and lightweight
Back Panel Material: HD 80 foam is high density polyethylene foam
Shoulder Straps Material: 500D ATY nylon 6,6 silicone treated PU
Top grab handle, Twin aluminum stays for durable support
Side zipper access, Webbing zipper pulls
Kangaroo pocket with top compression strap and snap closure