This bag is called the "max" because it is sized to the maximum dimensions for checked luggage on U.S. domestic flights.
This bag is perfect for transporting your internal frame pack. The S994 protects the pack straps & buckles from getting caught in baggage handling equipment -- the first time I flew with this bag, one of the 1,000-lb. test nylon compression straps got ripped off! 'Better that your $70-duffle bag gets damaged, rather than your $400 Gregory pack. (We now make the compression straps removable or field replaceable).
Shown below is a legend used throughout this Website.
Sizes given are inside dimensions.
The diameter is the distance straight across the circle on cylindrical products.

