10 Old Navy Activewear Dresses and Skorts That Fuse Fashion and Fitness

PowerChill Sleeveless Strappy Shelf-Bra Dress ($45)

It's no surprise this strappy dress has become an Old Navy bestseller because it's equally stylish and practical. Moms love it for "running around with toddlers" and looking chic all the while, while others appreciate it for "workout out and running around." And if you like the double strap in the front, just wait until you see the back.