Arc'Teryx Men's Altra 50 Backpack Polypropylene Battery: One two AA batteries

Battery: One two AA batteries

Battery: 4xCR123 0r 2*18650

' The knife clicks into place

with ergonomic grip shape

5" (140 mm)

Arc'Teryx Men's Altra 50 Backpack Polypropylene Battery: One two AA batteriesThe 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