When it comes to summer style, one is our favorite number — as in one piece swimsuit, one outfit that does it all and just one more accessory before heading out the door. In this latest Stylist’s Picks vid, Aerie style director Erin shows us her favorite one & done outfits, featuring super-easy summer pieces that you can wear all on their own or customize with your favorite layers and accessories. See Erin’s picks in the video below, and let us know how they inspire you!