International Carry-on vs. US Carry-On

International carry-on size restrictions can be notoriously challenging since so much of the restrictions are determined by where you are traveling. Here's a breakdown on just what to look for with your next trip.

Outside of the U.S. the standard carry-on baggage size is smaller (this relates to flights originating outside the U.S. and with a destination outside the U.S.) Here, the rule of thumb is about 21", and not the 22" and above carry-on size. As with any rule, exceptions abound and it is a good idea to visit the site of all of the carriers you plan to use while abroad to get a consensus. If you travel outside the U.S. on a regular basis or are looking to purchase a bag for someone who does, you might want to consider replacing the standard domestic sized carry-on bag in your set with an international carry-on sized bag. In terms of what the two bags will actually hold the difference is not that great and it may add some flexibility in your travels.

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Designed for the savvy traveler, Osprey’s Ozone Travel Pack 46 has a mesh backpanel for comfortable carrying. The padded hipbelt and shoulder harness stow away for easy transport.

Inside the main compartment you’ll find a padded 15” laptop and a scratch-free tablet sleeve. A collapsible zippered lower compartment keeps gear separated. There’s also a front panel pocket to keep you organized.

Exterior compression straps stabilize the pack if you load it up at the local village market. Stretch mesh side pockets give you extra storage for a water bottle or a snack.

When your travels are over and it’s time to pack up and head for home, the Ozone Day Pack 46 anchors to any of the wheeled luggage in the Ozone Series via Osprey’s innovative Handle-It™ attachment system to create a single rolling unit so you are nimble on the way to the airport.

Key Attributes

Highroad LT Chassis

Ultra-light 6001 aluminum frame for strength and torsional rigidity. Injection molded high clearance ABS base with foot bar provides a durable backbone. Large wheels with sealed bearings for a smooth ride. Extendable ergonomic “T” handle keeps your wrist in line. (Does not apply to Ozone Travel Packs & Day Pack)

Handle-It Attachment System

Easily anchors an Ozone backpack or courier bag to Ozone wheeled luggage creating a single easy-to-roll luggage package.


  • Direct Access Tablet Sleeve - Offers easy access while traveling and uses a heat embossed, scratch-free fabric to keep the tablet protected and secure
  • Large Access Main Compartment - Creates quick access to a laptop and tablet, while maximizing the packing capability of the rest of the compartment
  • Stretch Mesh Pockets - Dual stretch mesh pockets allow quick access and storage for a small water bottle, camera, snacks, sunscreen or other items that are needed often while traveling
  • Low Profile Carry Handles - With low profile handles on the top and bottom of the Ozone daypacks, it is easy to grab, pull and carry in any situation
  • Ozone Handle-It™ - To use when your shoulders or back need a break, the Handle-It™ securely attaches the Ozone Travel Pack to wheeled luggage handles
  • Front Panel Organizational Pocket - Provides organization for small travel or work items. Hidden inside is a zippered pocket to keep items safe and secure
  • Lower Compartment - Zippered lower compartment is perfect for storing items such as shoes or camera gear and the bellowed fabric divider collapses for better packing efficiency
  • Stowaway Harness and Hipbelt - Perfect to protect and store components when being checked in at the airport or toted all over town
  • Compression Straps - Dual upper and lower side compression straps keep internal loads stable


  Volume Dimensions Weight
O/S 2807 in3 / 46 l 20h x 13w x 12d in. 2.36 lbs.
O/S 2807 in3 / 46 l 52h x 33w x 30d cm 1.07 kg
210D Nylon Shadow Box
210D x 630D Nylon Dobby
210D x 630D Nylon Dobby
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Very large


This is a very large size bag. The height dimensions are incorrect, it's listed as 20" but it's actually 22". I was hoping I might use this as my "personal item," while flying, but I think it's questionable whether I could get away with it. Also, the bag does not have a flat bottom, so it doesn't stand up when I put it down.J


Perfect overnight business trip bag.


I am a business traveler and prefer only one carry on and one checked bag. When I fly I always have a laptop and a complete change of cloths all in one bag. Too many times I have had close calls of missing my flight due to delays or having flight cancellations. But keep in mind the bigger the pack and more you load it down it will get uncomfortable. The pack doesn't come with a Sherpa. This pack in comfort is much better than the Swiss Gear Ibex and carries much more. I give it 5 Stars. It does what I want it to do.

Kansas City, MO


Almost Perfect


I really wanted to love this bag and I do love a lot about it. However, I was highly concerned that when the shoulder straps are tucked away, like they would be if the bag was checked while flying, the buckles necessary to use the shoulder straps are just small little plastic bits flapping around on the bag. I could see myself putting the bag down at my feet and stepping on one of those buckles, breaking it, and making the shoulder straps unusable mid-trip. I have seen other Osprey bags that have the buckles tucked nicely into the body of the bag - why doesn't this bag have that? In the end, I returned it. If that feature is fixed, I would love to own it.

Seattle, WA


Terrible "water bottle" pockets


I own two other Osprey packs: a 2007 Porter 46 which I've used to travel through Europe (awesome pack); and a 2010 Aether 70 which I've only used on two overnighters (excellent pack). I can attest to Osprey's durability, quality and design superiority through all three packs (including this Ozone 46). Having said that, the Ozone 46 water bottle pockets are terrible. Too shallow. By virtue of setting the pack on the ground, objects (including various sized water bottles and coffee travel thermoses) ALL unseat themselves and come out of the pocket. I'm still debating whether I should return this pack because of this. I've owned the Ozone 46 for three weeks now and use it daily for work (I need a black bag to wear while in uniform) and have traveled to a work conference with it. For daily use, excepting the water bottle pockets, it's great: excellent organization pockets (not too Spartan, not overloaded either); good-sized main compartment; a handy lower compartment which I think was intended for shoes; excellent shoulder straps and suspension - the pack doesn't sag below my waist while wearing over my shoulders. A nice feature is the side-carry handle so you can carry in a briefcase manner, which I occasionally do. For travel, again excepting the external water bottle pockets, the pack is terrific. Easily accommodates your laptop AND tablet, clothing (I didn't put shoes in the lower pocket though) and other daily necessities for a multi-day excursion. I didn't need to open up the pack as I went through TSA PreCheck, but the laptop pocket is very easily accessible and well-padded, including the bottom. All-in-all a great pack, lousy external water bottle pockets.

Arlington VA



3.8 4


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