. . Engineered with input from operators in the field, the 5.11 PDU Class A Long Sleeve Taclite® Shirt consistently exceeds the expectations of law enforcement. . officers around the world. An ideal foundation for your PDU or Dress Uniform, the Class A 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 offers enhanced resistance against stains,. . moisture, and soil, permanent creases ensure a crisp, professional appearance, and a bi-swing shoulder design provides full mobility. 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. . 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. . Triple needle stitching. . Bartacking reinforcements at key stress points. . Melamine buttons won’t melt, burn, or crack. . Fishtail hem for a confident fit. .