Ruffled and ruched, this blue dress from Stella McCartney is classic elegance with a playful twist. What's not to love? Especially considering the British designer’s love for sustainable and organic materials. This warm-weather piece features a vibrant yet muted floral pattern, V-neckline and mini ruffled he. 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.