The Lingua Franca Onar Shirt Dress features playful poppy embroidered appliqués and a versatile mesh knit button-front design, perfect for layering over a swimsuit or pairing with jeans for a breezy summer look. The Lingua Franca Onar Shirt Dress features playful poppy embroidered appliqués and a versatile mesh knit button-front design, perfect for layering over a swimsuit or pairing with jeans for a breezy summer look. Starting from just a stitch, Lingua Franca has grown into a line of hand-embroidered ready-to-wear collections, accessories, and even wallpaper, all designed in their New York City studio.