I love a simple chambray shirt. That's why when my old one didn't even fit across my belly anymore, I decided to purchase a new one from Madewell... and totally not be disappointed. It's even better than my chambray shirt that I wore as an outer layer all through middle school. Oh! Did I say "all through middle school"? I meant in middle school (1998!) until someone stole it from me in gym class and threw it away! Gasp! I'm still bitter and assuming they threw it away because I didn't see anyone else wearing it. I searched for another one but couldn't find anything and decided to wear a big baggy black sweatshirt instead. I bet they were really sorry they took my shirt after I made that fashion choice.
For relative fit, I'm 5'9", 135lbs.