For the last few seasons I have been intrigued by the bearded dude I was always seeing around at fashion week.

My first thought was he must be a stylist, but Justin O’Shea is actually the Buying Director of MyTheresa.com.

They say don’t judge a book by its cover. The cover may say biker or rocker, but the man, who decides what we wear, is regarded as a fashion icon for his sharp, snazzy style.

Rarely seen without his sunglasses, Justin is hardly seen in the same suit twice. His suits of choice are slim-fit, three-piece suits. He adds interest with a quirk such as a brightly coloured Christopher Kane shirt or a stripy waistcoat.

Grungy footwear (which includes brown toe-cap Louis Vuitton lace-up boots) adds a rock ‘n roll feel to each look.

When you adorn your body with that much artwork, you want to show it off.

During the summer seasons, Justin opts to go sans blazer to show off his guns, sporting short-sleeve shirts – some with tropical prints, others plain – paired with simple waistcoats, with the occasional tie to dress up the semi-casual look.

Credit: mariovillanuevastyle.blogspot.co.uk, waynetippetts.com, citizencouture.com, WGSN tumblr, koo.im and GQ Style