Yep. It's easy to pack just a small amount of clothes for work/sightseeing, but it becomes nearly impossible to use just a carry-on if you want to take workout

Yep. It's easy to pack just a small amount of clothes for work/sightseeing, but it becomes nearly impossible to use just a carry-on if you want to take workout clothes & shoes, too, especially in colder weather, and in particular if you're an XL person with size 13 feet. :/