I hope this helps people out
I'm trying to decide between the Ruggard Thunderhead $129 on sale and the Lowepro Flipside 500 AW II $179 not on sale (unfortunately)
the box is about 19 inches
Ruggard - 20.5 H x 13 W x 9.25 D inches
Lowepro - 18.9 H x 11.8 W x 7.5 D inches
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this site claims to list by name various air lines carry on size restrictions:
" There is no one standard carry on luggage size or international carry on size. Each airline comes up with their own restrictions on size, weight, and number of items allowed in the cabin. In order to help you figure out the right dimensions for your carry-on bag, we’ve compiled the carry-on restrictions and limitations for more than 150 airlines right here in the only carry-on size chart you’ll ever need. "
https://travel-made-simple.com/carry-on-size-chart/
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the Lowepro has a removable pouch
the Ruggard has pull down straps to adjust the shoulder straps and a better chest strap since it is not a snap on connection as is found on the Lowepro
the Ruggard appears to be much bigger to me
and would be the pack I would choose if I was packing gear over long distances, all day because of the pull down straps and the better chest strap
short distances ???
Ruggard has a 5 year warranty Lowepro has a life time warranty
will update after I receive my Christmas/Birthday Present K 3 II
I will put a full load in later to compare capacity and will post photos