It’s pretty much an unspoken fashion rule that you can wear a black dress any time of year. Not only are black dresses suitable for any situation, but you can wear them again and again in a ton of different ways, making them one of the most versatile styles in your closet. Dress up your favorite design with heels and a great bag, or toss on white sneakers and a jean jacket for a more daytime-friendly look.

Old Navy has one of the best selections of black dresses for the summer that we’ve seen, and they’re super affordable. Keep scrolling to shop six black dresses under $40 that you’ll reach for all summer long — all styles are currently in stock in sizes XS-4X!

Old Navy

Fit & Flare Crinkled Halter Midi Dress

This halter dress is the epitome of effortlessly cool. We're obsessed with the uneven hem and smocked bodice.

$35 at Old Navy

Old Navy

Fit & Flare Tie-Strap Linen-Blend Mini Dress

This flirty mini dress is a linen blend that's sure to beat the heat. The shoulder ties are adjustable and the hem hits around the mid-thigh.

$25 at Old Navy

Old Navy

Sleeveless Ponte-Knit Mini Dress

This knit dress is perfectly stretchy but retains its shape, so you always look put-together. The square neckline is incredibly flattering, and yes, it has pockets!

$40 at Old Navy

Old Navy

Waist-Defined Floral Mini Dress

This mini dress has so many sweet details: Puff sleeves, a keyhole tie on the bodice, an elasticized scoop neck and a cinched waist are just a few of our favorites.

$35 at Old Navy

Old Navy

Fit & Flare Combination Midi Cami Dress

You'll want to pack this midi dress first when you're getting ready for vacation. This design truly looks awesome on everyone.

$35 at Old Navy

Old Navy

Sleeveless Twist-Front Midi Dress

This midi dress features a sexy cut-out at the waist and an on-seam side slit. You can also shop this style in blue and beige.

$35 at Old Navy

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The post PSA! Old Navy has so many summery black dresses under $40 that will keep you looking and feeling cool all season appeared first on In The Know.