Exeter MP Ben Bradshaw attended a champagne reception in London in skin-tight cycling shorts and no trousers.
The Labour MP raised a few eyebrows at David Miliband's farewell party by sporting a Tour de France look at a gathering of grand political figures.
Mr Bradshaw, 52, arrived by bicycle at the drinks party at West End restaurant Ozer last Tuesday, given by the former Foreign Secretary ahead of his move to the United States.
The former Culture Secretary wore cycling shorts with black socks and work shoes. According to the Daily Mail, party-goers were 'shocked', saying the outfit was 'disgraceful'.
But the former Culture Secretary hit back, saying: "I was dashing between events on my bike as it is the best way to get around London in a hurry. Obviously I was not going to be cycling in a suit in this weather."
Last week Mr Bradshaw revealed that he would be giving his 11 per cent pay rise to charity, after the Independent Parliamentary Standards Authority (Ipsa) suggested MPs should get a £74,000 salary from 2015. He said: "If Ipsa does impose a rise I will simply increase what I already give to Exeter charities and good causes by the same amount. I will also seek to ensure my expenses remain the lowest of any MP in Devon."