Olivier Rousteing is well aware that, for the modern woman, a pair of jeans is the perfect foil to the statement of intent that is a Balmain blazer. It's no wonder, then, that this high-rise pair is perfectly conceived, all the way from the light wash to the curve-hugging skinny fit. How to wear Harrods: Style with a logo T-shirt, blazer and heeled pumps.