Every week, InStyle Market Editor Mia Solkin combs through our favorite fashion sites and picks out the best pieces to buy now—and we mean now! On deck this week is one of the best all-American retailers: American Eagle. For nearly 40 years, the brand has offered cool and casual staples without making you break the bank. "American Eagle is your go-to for easy summer finds," explains Solkin. "From denim to swim, they have it all." Ahead, shop Solkin's six favorite pieces.