Ok *not* a backpack, but I have several Vanquest bags. Took a shot on a messenger style as my recent edition. This is the Envoy-13 Gen 4. Got it to carry my
ENVOY-13 (Gen-4) Messenger Bag - Vanquest Tough-Built Gear
Vanquest Envoy-13 Messenger Bag (Black), Men's Fashion, Bags, Sling Bags on Carousell
Vanquest Envoy 13 Messenger Bag - YouTube
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Introducing 2019 ENVOY-13 (pictured) & ENVOY-17! The Gen-4 ENVOYs come in 2 sizes: ENVOY-13 for a 13” laptop, and ENVOY-17 for a 17… | Bags, Messenger bag, Fun bags