The 5.11 Tactical A/B Class Uniform Shirt, available in long and short sleeve styles, provides officers with comfort and functionality in a professional look. 5.11 Tactical developed a polyester/rayon/Lycra fabric for the shirt, for increased breathability. The shirt features sewn-in creases to keep the A/B Class Uniform Shirt crisp and fresh. Bi-swing shoulders provide officers with a full range of motion. Deep concealment pockets can hold a back-up weapon, a PDA or important documents. Breast pockets feature inverted pleats to conceal gear and secure hook-and-loop closures to keep items safe. Other features include: built-in badge tabs; reinforced and hidden button-down collar; reinforced elbows; four-button adjustable cuffs to roll up sleeves to four different lengths; and armhole vents. A/B Class Uniform Shirst are available in sizes small to XXX-large.