Best Duffel Bag Deals 5K shoppers bought in the last month: Bagsmart Duffel Bag , $22 (originally $33) Water-resistant: Forestfish Duffel Bag , $22 (originally $24) Lots of pockets: Bagstellar Puffer Tote , $30 (originally $50) Shoe storage compartment: Oeihuivt Weekender Bag , $34 (originally $46) Sporty and functional: Beulptn Travel Duffel Bag , $17 (originally $27) Under $20: Seafew Duffel Bag , $17 (originally $23) A puffer bag may not be the first thing that comes to mind when you think of a reliable carry-on , but Bagsmart proved that’s possible thanks to its cute puffer duffel bag . More than 5,000 shoppers purchased it in the last month, and it’s on sale at Amazon today for just $22.  Whether you’re gearing up for a spring weekend getaway and don’t want to check a bag, or you’re looking for a functional bag for the gym or work, a sleek duffel bag is our pick for all of the above.…