30L Carry-On Travel Pack

The 30L size fits under the seat on most airlines, which saved me from checking a bag on a four-day work trip. It also slides right onto the handle of my rolling suitcase when I need to bring both.

Packed this for a weekend trip and it slid right under the seat without a fight. The 30L size hits that sweet spot where I can fit four days of clothes but it still counts as a carry-on. Straps stayed comfortable even with the bag stuffed full.

Took this as my only bag for a 4-day trip and it swallowed everything without feeling bulky. It slides right onto my rolling suitcase handle when I need to bring both, which made airport transfers way less annoying.