I got a pair of GP two piece leathers.
Reason I bought them was I wanted something that I could use if I ever go the chance for a track day, i didn't expect much for the money but couldn't afford the big money.
The trousers you couldn't wear on their own and are not the best cut. I've worn the suit a few times and at 1st I thought they were too baggy but after a while I realised that if they were any tighter you'd not be able to move on the bike for corners etc. So after I wore them a few times on the bike I was happy with them for the price. The knee sliders that I got with them are very thin (not that I ever got my knee down) so bought thicker ones.
If you're a fashion victim you'll not be happy but if you want a one piece or two piece for function rather than form they are fine.
I think the one piece might be a better shape than the 2 piece.
Also the seam on the arse trousers is slightly to one side, so I was told by a girl looking at my ass, I often wonder if the cheap ones are seconds or they are cheap coz of poor craftmanship.
Any how I got a pair, hope this helps.