Amazing , Fred Perry ( whoever'owns them now ) , want to dictate who can and cannot wear their clothing that they sell .
Perhaps before they try and foist themselves as some sort if ethical , magnanimous company they should consider that they are having the bulk of their manufacturing now done in Communist China , probably now the most vile regime on the planet with an horrendous crimes against humanity record, that continues to this day , with USA President Trump the only world leader willing to tackle them for what they are . .
And that's why I usually only try to buy their Made in England or Made in Japan ranges. They usually cost a bit more but I'm willing to pay that bit extra for such goods (the same principle applies to many other brands I also buy from, where possible; Made in Britain/Europe usually costs a bit more, but there's usually an uptick in the quality of the garments).
Good on you , Chili . I have been doing the same myself but l think it will be easier to not buy Fred Perry products going forward. After all, despite there being a Fred Perry shop not far from me now , l may not be the kind of consumer they want.
I think l prefer JtG now anyway and a lot of it is now made here
I really do need to get to grips with Jump the Gun (and not just because they sponsor this site, though it's good to give something back to those organisations that support us, so to speak), though I'm never sure of their sizing. They state that their shirts come up as very slim fitting, but I'm not sure how slim they are, and it's difficult to find shirt measurements on their site.
It would be good to hear from anybody who has a few JtG shirts to give a size comparison against, say DNA Groove or Art Gallery for example (other shirt manufacturers are available
). They did helpfully send me a link to where the shirt sizes are on the site, but like a numpty I lost the link and haven't been able to find it since 
Hi Chilli, I've got a few JTG shirts

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Thankyou everyone for the kind words about our service. Always appreciated.
Our shirts do come up slimmer than practically everyone so they don't suit all I'm afraid. However if they do fit you then it's a pretty excellent shirt. Sizing guide is in the HELP section on the website.
We're very happy to compare measurements of something you have already against ours. Feel free to e mail us with a list of measurements or call of course (weekdays). We can then see what matches.
( For example I measure 37 on the chest, kind of slim apart from the small Bourbon belly and a 32 jean/34 JTG sta prest. A JTG 16" collar is perfect for me.)
We really are here to help you get it right or tell you it won't work if that's the case. Last thing we want is to see someone in our clothes that don't fit.
Regards, Adam