When It's Okay to Unbutton X Buttons
How Many Shirt Buttons to Leave Undone? - Strictly Manology
Quick tip: Unbutton that second button when you go tieless
johnnie-O
Button Up Vs Button Down Shirt – What's the Difference?
Double-Button Shirt in Paper Poplin – Alex Mill
The Best Performance Dress Shirts for All-Day Comfort
The Guide to Shirt Cuffs – Permanent Style
Just got my first suit! Does this jacket-shirt-tie combination