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Hit the trail to feel the fresh air on your face and on your back.

Strap on the Deuter Women's ACT Zero 45+15 SL Backpack for light, fast ascents or long, scenic excursions. Its AirContact back system improves airflow for more comfort and less perspiration, while the VariQuick mesh-covered, anatomically cut harness ensures precision fit for stable cargo transport and better balance when the trail gets treacherous. A flexible aluminum X-shaped frame smooths out the ride, whether fast and furious or long and steady.

  • AirContact back system combines flexible frame, ventilating foam back, mesh-covered shoulder straps, and more for optimal long-haul comfort
  • SL women-specific hip belt and VariQuick height-adjustable shoulder harness with 3D-AirMesh cover ensure anatomically correct comfort
  • Adjustable torso length, from 14-19 inches, fits a wide range of sizes
  • Hollow-core aluminum X-shaped frame with 0.5-inch stays balances medium to large loads comfortably with flexibility
  • Breathable, hollow-chamber foam improves ventilation via a pump effect that circulates air through the padding for a cool, dry, snug fit and stability
  • Carries an ample 45 pounds of your necessary gear and goodies
  • Light weight of 3lb 5oz won't slow you down on-trail
  • Top-flap access lets you get in and grab easily; optional roll-top closure when top flap is removed
  • Removable 15-liter lid keeps frequent-use essentials handy and converts to daypack for light, fast summits
  • Tough, light, and durable Duratex-Lite and Ripstop 210 will last through your summit list
  • Compatible with your hydration system so you stay quenched
  • Large front stretch stuff-it, two mesh side, one hipbelt, and two top-lid pockets conveniently store your essentials
  • Ice axe and trekking pole attachments keep your tools handy at all times

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Would this bag work as a carry on for...

Would this bag work as a carry on for international flights?


The general FAA standard is 45 linear inches and most major airlines have dimensional restrictions of about 22"x14"x9", although that will vary somewhat between different airlines. Since the Deuter ACT Zero 45+15 SL is well outside of both those standards, with 49 linear inches and 29" x 11" x 9", I wouldn't risk it.

Trekking backpacks in general tend to be a difficult carry on fit because their height will typically exceed the standard even if total linear inches does not.