. . Engineered with input from operators in the field, the 5.11 PDU Class B Long Sleeve Taclite® 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 Taclite PDU Shirt is crafted from our. . 4.4 oz. Taclite ripstop fabric for maximum durability and lightweight breathability in hot or humid environments. 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, improved colorfastness, and enhanced fade resistance ensure a crisp, professional appearance in any setting. Additional. . features include underarm vents to keep you cool and dry, an integrated badge tab, an epaulette kit, and pass-through mic cord access to keep you. . connected.. . Lightweight, breathable, and durable. . Permanent creases ensure clean lines. . 5.11 Hidden Document Pockets at the chest. . Underarm vents maximize breathability. . Teflon treatment for stain, soil, and moisture resistance. . Pass-through mic cord access. . Integrated pen holders in chest pockets. . Bi-swing shoulders for full mobility. . Secure badge tab. . Includes an epaulette kit. . 4.4 oz. Taclite ripstop fabric. . Colorfast, fade resistant. . Triple needle stitching. . Bartacking reinforcements at key stress points. . Melamine buttons won't melt, burn, or crack. . Fishtail hem for a confident fit. .