We are now in our 70s and have chosen wheeled, carry-on bags with detachable day back packs for several decades and still have two that we like for flights. We were concerned, however, that our existing bags would fail the newer more stringent carry-on limit of some airlines, even though our other bags were very close in size to the maximum permissible. We thought that the cost of a new, smaller bag would be little more than the cost to check a bag. We have had success with High Sierra products before, so we chose this bag based on the brand, size, features and reviews. This bag is well designed and made. The main bag fits very easily in the upper storage bin and the day pack, which has a nice array of interior pockets, fits easily under the seat. Because it is somewhat smaller than carry-on limits, it has slightly less carrying capacity than our other similar bags, but we expected that. It is a bright blue and silver color, which sets it apart from the more common black bags.