1. These shoes are so comfortable now that they are well broken in.
2. It takes time to break in a new pair of jeans so they fit just right.
3. The leather jacket was stiff at first, but now it's nicely broken in.
4. I prefer to buy used cars because they are already broken in.
5. The horse was wild at first, but after being broken in, it became much easier to ride.
6. The new baseball glove needs to be broken in before it can be used effectively.
7. It's important to break in hiking boots before going on a long trek.
8. The piano keys are stiff because the instrument is not yet broken in.
9. This old baseball bat is perfectly broken in and has a great feel to it.
10. After a few washes, the new towels will be softer and more broken in.