Embrace a sustainable wardrobe, starting with this dark navy blue wool Florence single-breasted blazer from Stella McCartney. The sleek silhouette will find itself useful for anything from meetings to late evenings at your local bar. Who doesn't love an all-rounder? Featuring notched lapels, a chest pocket, a front button fastening, two front pockets, long sleeves and a rear central vent. POSITIVELY CONSCIOUS: We've joined forces with ethical agency Good On You to give you the power to choose positively. This piece is from a brand that scores well on their key criteria.