You can tell just by looking at this pared down “basic” from Miss Stella McCartney's line of everyday lovelies that it's one smooth operator, but (like all complex ladies) there's a lot going to create that smooth surface: Simply lined, ultra thin matte and satin finish microfiber triangle cups look completely invisible under clothing, bonded edges and one-piece band construction make edges lie completely flat, while the subtlest of details—the interlocking gold rings and the stunning painterly neutral leopard palette—turn it into an instant classic.