New York Post may be compensated and/or receive an affiliate commission if you click or buy through our links. Featured pricing is subject to change. A great duffel bag is like a loyal travel ...

Packing for a weekend trip leads to one big decision: Do I try to fit everything in a backpack or opt for a carry-on suitcase? Knack Bags Expandable Travel Duffel surprisingly simplified my answer.

We may earn commission from links on this page, but we only recommend products we love. Promise. My earliest memories of duffel bags? Not great. I had a fire-engine red one for gymnastics as a kid, ...