If you're willing to pay more for t-shirts that fit perfectly, you can get them made to measure at sonofatailor.com. Pricy but they fit perfectly, look amazing and last a much longer time than cheap t-shirts. Source: 11 months ago

Personally I like tailored merino wool T-shirts. I use sonofatailor.com and they're really decent. I've worn some of their shirts on near constant rotation for 5 years now and besides losing the internal tag they've all held up. Source: about 1 year ago

Not every guy is built the same. If you want to have a truly fitted shirt for your dimensions please checkout sonofatailor.com. Source: about 1 year ago

Mine are from seagale.fr and from sonofatailor.com. Source: about 2 years ago

Hey, I'm in a similar boat (and also freshly post-top). I've had great luck with Gender Free World, but I also got a bunch of shirts made through Ratio. They're not GNC/trans-specific, but they were very willing to work with me on measurements and such. Once my measurements were in there, I just ordered what I wanted. They're not cheap, but I've had their shirts for five years or more, and they've held up really... Source: over 1 year ago

Lastly, I've found just getting custom made clothing is usually best for me nowadays. Woodies has done me right, I have multiple dressier shirts from them that fit perfect, also a denim jacket that is also fit to my size. There is a lot to be said about getting custom made stuff for us larger folks. For the price they charge, and how long they have lasted, I would suggest that. I know there are also... Source: almost 2 years ago