The largest possible carry-on size at 45L. Pack everything you need and it still fits in the overhead compartment.
Dyneema® is 15 times stronger than steel at the same weight, and has 5X the tear resistance of Kevlar, while weighing 40% less. This gives it superior cut and abrasion resistance without weighing you down.
It's Big and Tough.
The goal was pretty simple, as goals are. Build a travel ruck that would thrive in Baghdad, NYC, and the mountains of Afghanistan. Or any mountains for that matter.