Hill House Chocolate Seersucker Cosima Nap Dress The Cosima Nap Dress is features a fully-smocked bodice and a crisp, high boat neck fit. Tonal Seersucker fabric is lightweight, textured, wrinkle-resistant, and fully lined. Brand new with tags and packaging. Completely sold out and impossible to find. Arguably the most popular and coveted dress from Hill House Home.