I'm 6'2, 48-50 chest, 35" arm with an average build. Typically I'm a fitted XXL, but I know that Bean's runs large at times, so I ordered a XL, Tall. It fit's great. I didn't find the Neck to be over sized, and the sleeve cuffs seem to maintain their elasticity. No "Wizard Sleeves". The length was good too.
I have purchased LLB LS T's and Mock Turtles and find that the sleeves and shirt length are too short. I am 5'10" and am a medium in everything I buy, but these shirts are too short.
These are without a doubt the highest quality long-sleeve t-shirts I've owned. They're tough yet soft, fit great, and don't ever shrink. My only criticism is more a preference, I'd rather it have a smaller neck, but that's personal perference. I now have 3 of these and will probably order more, or pick up the short-sleeve for summer. Fantastic product.