Snarky Nomad is one of my favorite travel blogs. I just love his special brand of humor (well, sarcasm!) and he does great reviews. He's previously chosen the Synapse as his favorite backpack and now--just 4 days ago on January 11th--he posted a really nice review of the A30. See it here: So this is probably the best duffel bag for frequent air travel I agree with his points--it's an awesome bag all around.