Wear it as an oversized sweatshirt. Wear it as a sweatshirt dress. Wear it anyway you want to. The Serenity Sweatshirt is that piece you'll take with you everywhere- after yoga, on the plane, to the movies. It's so soft you might even wear it to bed. Haley is 5'7 and wearing a size small. Ashley is 5'7 and wearing a xx-large.