Champagne, vodka and glamour models - take a look inside the crazy world of posh, 'white-collar boxing'

Think boxing and you probably think of huge prize-fights in Las Vegas with millions of dollars and world title belts on the line. Or of hardscrabble neighbourhoods where men in dirty gyms pummel bags and spar with old guys holding pads.

But there's a different kind of boxing emerging - 'white-collar boxing', featuring matches between middle and upper-class people who have good jobs, often working in the City. They fight in fancy venues while their friends sip expensive cocktails as they watch.

There are no statistics on how many people in Britain take part in white-collar boxing, but its popularity appears to have exploded in the last few years.

So Business Insider set about infiltrating the training camps, nightclubs, and expensive events that make up white-collar boxing.

Last week we were given the chance to go along to two of London's most highly anticipated white-collar boxing events over the course of a weekend, and it was pretty fun. Check out what went on when we delved into the crazy, decadent world of posh, white-collar boxing.