View video of the latest duty shirts and pants by Spiewak, the SPDU Performance Series. Constructed of wrinkle-free, breathable 100% polyester fabric, the SPDU series uses the newest nano technology for superior stain and fade-resistance. The fabric provides moisture dispersion around the neck and shoulders and UV protection of 40+ UPF. A silicon grip Shirt Retention System® keeps shirts securely tucked in. Other features include removable microphone sling, reinforced inside badge sling, and hidden side pocket. Easy care instructions allow for machine washing and drying.