Lands' EndMen's Super-T Mock Turtleneck

Lands end used to be a bit on the large size, is that still the case?

Why does the description say button closure? Also if it's 100% cotton, why does it say this: " We’ve even added a pinch of spandex for stretch"

Super t mock turtleneck. Where manufactured?

Im 5'5" 148lbs about 39in to 40in chest what size should I order?