Arc'Teryx Altra 50LT Backpack Tactical and then seals shut to

and then seals shut to prevent leaks or spills

Each main level can be configured to one of its two sub-levels

Weight: g（battery excluded）

Medium: 1 hour

The Three-By-Five™ is a 3” high x 4” wide x 1

Arc'Teryx Altra 50LT Backpack Tactical and then seals shut toThe 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 customfit. Trekking Near orFar Composite Construction (C2) eliminates back