Originally Posted by kasakka
CT's starting point is apparently that you resemble a balloon and need to wear a sack (classic fit) and then goes from there. I agree that their slim and tailored fit isn't exactly slim and this extends to suits as well.
From the CT website, about slimfit shirts ... This has become our most popular fit, it has a slightly slimmer cut than our classic shirt so you don't necessarily have to be slim to wear one
... and ..."Slim fit shirts aren't just for the slim. They are slimmer at the waist for those who prefer a more tailored look, no matter what your shape."
Nicholas Charles Tyrwhitt Wheeler Founder & owner
Consider this the "standard, non-sumo" size.