These guys know how to make a damn good shirt that just makes you look good, they've learned how to do it. My build is 5ft 11,170lbs, slim/neat and it fits like a glove. The flexibility is that it's great for a night out on the town or an important meeting at the office. Washes very easily, ironing is a pleasure. Luckily I didn't have to dispute the stain protection, but I vouch for the stretch, which makes it easy to slip on and off. This is my shirt because it always looks nice.