Labeled Size 5 - XL White Oxford From the Website The Zip Fit Shirt, Explained. Our patented Zip Fit design was created with one goal in mind: to be the Best Fitted Shirt on the Planet. We studied the archetypal male form to find the ideal ratio between shoulders, chest, waist and hips and built our shirt around it. The zipper evenly distributes any tension and allows you to wear a closer fitting shirt, without looking like you're busting out of it. When your shirt is shaped like an athlete, you look like one. For our essential staple, we use a premium refined oxford. It's not as coarse and casual as a classic oxford nor as smooth and formal as pinpoint. It is lightweight, washes up soft and has a natural feel whether pressed or fresh off the laundry line. Handmade. Never mass-produced 100% long staple Egyptian cotton woven in one of the world's top mills Single needle lockstitched & flat-felled seams means extreme durability A larger drop from chest to waist than any shirt on the market Fits athletic body types like it's custom & lends its shape to slim/average guys No pulling open and gapping around the buttons The patented Stay-up Collar prevents the collar from collapsing and spreading open. Our roots are in the custom shirt world and our mission to create the ultimate shirt is guided by that history. Every Zip Fit shirt is imbued with the same qualities and standards.