A look from YSL's Cruise Collection. Courtesy of YSL
Nearly every one of his 35-pieces was based on the notion of the shell. Some of the references were obvious such as the mother-of-pearl necklaces and a silk chiffon dress (with cutout shoulders) done in a junonia shell print.
Other tributes were more subtle and figured into the cut and drape of a skirt, such as the jade one seen right. It's meant to embody a shell's circular form and soft, rounded edges.
Beach combers be warned: The clothes don't hit stores until October.