Arc'teryx Altra 75 Backpack

A top-loader/panel-loader for multi-day trekking expeditions. The materials are lightweight yet durable, and the AC2 suspension system is designed for maximum comfort and load control. The breathable, anatomically-designed shoulder straps and thermoformed foam hipbelt will keep you happily hoofing up the trail.

• Made of 420-denier Invista HT, 210-denier Ripstorm and 100-denier Invista HT Mini Ripstop, with silicone and polyurethane coatings.
• Padded with EV 50 perforated foam to cushion weight-bearing areas.
• Removeable stays are 6061 aluminum and framesheet is Plastazote® HD80.
• The pivoting hipbelt with load transfer disc provides increased agility and stability.
• Arc’teryx® AC2 suspension system and Gridlock shoulder strap adjustment system provide a comfortable fit.
• Anatomically shaped, breathable shoulder straps and breathable thermoformed triple-density foam hipbelt.
• Extendable collar for additional capacity. Occipital cavity lets you look up without hitting your head.
• Top lid is removable and extendable, with two zippered compartments.
• Four compression straps.
• Padded compression wings allow additional storage configurations.
• Micro daisy chains.
• Hydroport and internal hydration pocket with zipper.
• Kangaroo pocket with top compression strap.
• Two stretch mesh pockets with elastic drawcords.
• Full-length zipper access witha laminated zipper protector that doubles as a compression storage flap.
• 75L or 79L capacity, extending to 82L and 86L.