I bought a pair of puma calibre 5000 gloves when they did the blue and lime green ones and they were huge! Definitely won't be buying standard mens in the future if their size are the same. I'd say a youths would be a Gray Nicolls mens fit
So toenails97 gray nicolls standard men's size is smaller?
Much to the displeasure of the lady, I spent a long time trying out small mens size gloves at Barrington Sports last year. What I found with the Puma gloves was that the youth sizes were the same size as small mens in the other brands. I found them to be better fitting than the others. Hope this helps