And what says preppy-cool better than a blazer worn fitted over a shirt? A classic, timeless look - if it's good enough for double-Brit winner Ed Sheeran, then it's good enough for a Friday night in the club. Take a look at the Blue Inc interpretation of urban preppy.

In this look:

Men's Contrast Dogtooth Blue shirt. £26.99.

Twill Piped SB2 Blazer Jacket Navy. £49.99.