Disregarding convention, Karen Walker blazers are cut in dark denim, tempting pink velvet, lightweight linens and heavenly crushed satin. Formality is not forgotten with notched collar smarts, essential pockets and double-breasted buttons. Masculine tailoring: firm shoulders and extended in-length hems are juxtaposed by waist-cinching belt ties. Puffed shoulders match fitted and cropped shapes in a nod to la feminine. Gracing the royal shoulders of Meghan, Duchess of Sussex, the iconic Karen…