For everything from playdates to birthday parties, these darling denim leggings will be an instant everyday staple. Founded in 2005, J Brand has quickly made an art form of the perfect-fitting jean, earning a loyal following the world over (ourselves included, of course). We're pleased as punch to offer this style from their girls' collection, J Girl by J Brand, which offers pint-size versions of the dark, clean shapes and comfy fits that have attracted starlets and stylish moms everywhere. USA.