I was initially a little intimidated by the super reflective front windows and lack of a clear entrance (it's in the back), but once I stepped inside Harley's I knew I had made a good eating choice. The vibe is dressy meets casual - sound like an oxymoron? I know, but it's true. You can wear jeans, but maybe toss on a nicer shirt if it is close to dinner time. More of a lunch crowd? Don't stress over what you are wearing too much. It is not the Olive Garden - thank baby Jesus - but you can still be casual.
The food has a home cooked feel. Nothing is super fancy, but nothing tastes pre-made either. The marinara is flavorful, the bread is delish, the pasta tastes fresh and well-cooked. The staff is friendly, but perhaps they have a frequent turnover as the service is a bit unpredictable (sometimes it's a bit slow, but the people are always kind).
All in all - if you want unbelievable cuisine, maybe go a little more fancy. But, if you are looking for well made, tasty, neighborhood Italian food - this is the place for you!