The YSL monogram was first designed in 1961 and has been a hallmark of Saint Laurent’s aesthetic since, seen here on this red diamond-quilted leather cross-body bag. It's made in Italy to an accordion shape that fans out from the base, then set with a detachable and adjustable cross-body strap and snap-fastening closure. Style with a sheer white blouse, cropped black trousers, and platform heels to emulate the house's striking Parisian aesthetic.