Crafted from our 2-way mechanical stretch fabric for unprecedented range of motion, the men’s covert flex shirt combines comfort, mobility, and tactical utility with a modern fit for an updated look. Built from a unique poly/cotton blend that moves with you, the covert flex shirt features traditional 5.11 hidden document pockets at the chest for secure and covert storage along with our unique rapid raw breakaway placket for quick access to a 5.11 holster shirt or a traditional shoulder holster. Moisture wicking and quick-drying characteristics keep you cool and fresh in any climate. 74% Cotton, 26% Polyester.