Are you the type of person who gets chilly in A/C, or likes to have something to cover up with just in case the night gets cool? I always bring layers even when it's in the 90s for exactly those reasons. The beach especially gets windy and cool at night once that sun goes down and your body has been warmed by it all day. I find the summer sweater comes to the rescue perfectly.
While not only being versatile, a cute summer sweater also can add a bit of chicness to any outfit. It elevates your look more than a sweatshirt and I find them more breathable than a jean jacket in summer. Here are some tips to find the perfect summer sweater: