Practically every woman and grandparent has one, but can the cardigan ever be a good look for a man under the age of 70?

Until recently the answer would have been no, but now the celebrity men of the world are bringing the woolly wonders of the cardigan back into fashion.

The latest cardigan wearer to hit the headlines is Roger Federer, who has been sporting the look at Wimbledon. Dressed in the snazzy white knitwear with golden hemming, the tennis champion has given the look a regal twist.