Arc'Teryx Altra 75 LT Backpack Size:Reg-Tall Each mode can be configured

Each mode can be configured to one of the two sub-levels

5 hours with a single AAA cell

Length: 92mmÂ

The pen body is longer and slimmer than the Open 2 for a more comfortable grip

Arc'Teryx Altra 75 LT Backpack Size:Reg-Tall Each mode can be configuredThe 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