Couldn't give a **** what I wear for training. Personally I have a bit of reverse snobbery for people who come to train in immaculate brand new clobber. Maybe that's because I'm a natural scruff who doesn't care about labels etc.
When you see a guy throwing 70 quid away in a fruity whilst necking a few pints of Carling, wearing Lonsdale slip ons and a tap out t-shirt you know something is up. Trainers are ridiculously expensive these days but I get all mine on ebay, thanks to people who can't spell I've got some absolute bargains in the past.