Another option may be the Tenba Shootout backpacks. I've got the Medium size, and it holds a lot. The backpack straps can also be covered up for stuffing in an overhead bin, etc. You may need the Large though.....
http://www.tenba.com/products/Shooto...-Backpack.aspx
http://www.tenba.com/products/Shooto...-Backpack.aspx
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Scott
2024 G01 X3 M40i, Brooklyn Grey Metallic /// 2015 F15 X5 35i, Space Gray Metallic, 99K miles /// 2013 F30 320xi, Mojave Metallic, 112k miles
2019 Ford F450 STX, Oxford White
2013 Ducati Multistrada Touring S, Red