Without a doubt the letter carrier short sleeve shirt is our most popular item. We have swiched to Fly Cross which is a superior product. When comparing other sites don't accept a lower quality product. 
 
It can be worn year round with long sleeves under, and can be seen in any post office accross the country. This is the most have staple item for any letter carrier. Make no mistake, our shirts our the best union made available. Don't settle for poor quailty for $2 less. 
 
Fabric Feature: 65% Polyester/35% Cotton | Weight: 4.2 oz./sq yard poplin weave
Top-fused banded dress collar
Fully lined front placket 
Roomy left dress pocket with hidden pencil compartment
Extra long tails stay tucked in
Name plate embroidered eyelets
Color: Postal blue background with grey stripe
Union Made in the USA
USPS Postal Uniform Shirt 
Button-down collar