Whether or not dresses are in your everyday rotation, a T-shirt dress is a great piece. The midi-length Merokeety T-Shirt Dress checks many of the boxes of a go-to T-shirt dress: The pull-on style is easy to wear, it’s designed in neutral shades, and it’s machine-washable. To buy: $26 with a coupon (was $43); amazon.com. The dress is available in 20 colors and patterns, including plenty of striped options, and it’s made from 95 percent polyester and five percent spandex. The casual style, round neckline, elastic waist, and just-below-the-knee length help the dress to transform into an instant classic, and the balloon sleeves add extra style while promising a hint of warmth. Plus, the pockets we mentioned? They’re functioning. To buy: $26 with a coupon (was $43); amazon.com. “It’s a perfect casual dress that’s long enough to be professional and comfortable,” claimed a reviewer. Another shopper, who said the striped dress looked “better than expected,” wrote, “Who doesn’t love a dress with pockets?” As you celebrate the official start of sundress season, add this under-$30 Merokeety T-shirt dress that you can style on an endless loop to your closet.