5.11 Tactical Series Firefighter Job Shirts always look and feel neat, clean and professional. These shirts were designed with input from firefighters, with all the features you want most in a work shirt. Yet, they're perfect for any public safety professional, on and off the job. Built for versatility and utility without compromising comfort and durability. 5.11’s Quarter-Zip Job Shirt provides the perfect blend of all-weather warmth and breathability.