New York label Marc by Marc Jacobs has a keen sense of vibrant style and yet doesn't sacrifice any luxury in achieving its vision. This cardigan has been knitted from a silk, cotton and cashmere-blend, making a piece that is lightweight and breathable yet incredibly soft. The bright blue colour and contrasting trims only serve to brighten up your look: try it layered under a jacket for maximum impact. Shown here with a J.Crew shirt , Officine Generale blazer , Levi's Vintage Clothing jeans , Tod's bracelet and Oliver Spencer boots .

• Blue silk, cotton and cashmere-blend cardigan
• Green edges, two front pockets with olive-green trims, metal emblem, ribbed trims
• Button fastening
• 55% silk, 40% cotton, 5% cashmere
• Dry clean