Engineered with input from operators in the field, the 5.11 PDU Class B Long Sleeve Twill Shirt consistently exceeds the expectations of law enforcement officers around the world. Designed to stand up to consistent use in harsh duty environments, the Class B Long Sleeve Twill PDU Shirt is crafted from our 5.78 oz. poly/cotton twill fabric for the perfect blend of rugged durability, reliable performance, and breathable comfort. A Teflon treatment maximizes resistance against stains, moisture, and soil, our patented 5.11 Hidden Document Pockets offer ample and covert storage, and a bi-swing shoulder design provides full mobility. Sewn-in military creases and integrated collar stays ensure a crisp, professional appearance in any setting. Additional features include underarm vents to keep you cool and dry, an integrated badge tab, a zippered front placket, epaulettes, and pass-through mic cord access to keep you connected. Material: Cotton, Polyester, Twill.