New Letter Carrier Shirt Design for the Postal Uniform Program! Postal Letter Carrier shirts are made from a light blue broadcloth without stripes. Made of a comfortable poly/cotton blend, these Men's stripeless long sleeved shirts for Letter Carriers feature a center pleat placket, two breast patch pockets, hidden pencil compartment in left pocket, topstitched and lined collar, durable press and soil release fabric, and U.S. Postal Service logo patch above the left breast pocket. Order these postal shirts by collar size (sizes 14-1/2-18-1/2) and sleeve size (sizes: 32/33, 34/35, 36/37).