Lee Mathews Nina Mini Dress in Navy, Size 1: This minidress is a prime example of Lee Mathew’s knack for effortless pieces with considered details. The relaxed A-line silhouette has exaggerated short sleeves, a V-neck with long ties, and a flouncy hem. The Italian cotton poplin is lightweight and airy. But the standout element here: the bright-green contrast stitching.100% cotton.