$170, topshop.com

It's a cardigan. It's a blazer. It's both! There's no mistaking the amount of polish it will add to any casual look, like this...

1. J. Crew lace print sweatshirt, $75, jcrew.com
2. Topshop floral studs, $18, topshop.com
3. Topshop knit blazer, $170, topshop.com
4. Simone Rocha metallic clutch, $368, ssense.com
5. Vince shearling trim ankle boots, $455, saksfifthavenue.com
6. Frame Denim jeans, $210, netaporter.com