Formal trousers with side stripes have been seen from all the major designers and have filtered down into the high street where they have become a menswear staple. A side-stripe pants can be paired with a smart shoe, throw on a plain shirt and a coat and you’re good to go. Just like Jason at the red carpet is bang on trend with this choice of suit. Designers have recognised that people simply love tracksuit bottoms, and so became the hybrid that is the side stripe trouser. So, below these handsome celebs will show you the easiest way to wear them.