Described as “a shirt assortment for males, most likely stolen by ladies,” Sébline intentionally nails the borrowed-from-boys look that so many people covet. Founder Charles Sébline labored underneath the tutelage of Yves Saint Laurent, so you’ll be able to count on precision cuts and classic-meets-playful colors. Store the gathering of shirts for girls Web-a-Porter. Grosgrain striped poplin shirt, Sébline, €390; www.net-a-porter.com.