. . The original Short Sleeve 5.11 Tactical Shirt sets the standard for multi-purpose tactical apparel worldwide. Worn by tactical operators across a broad. . range of disciplines, this stylish cotton polo shirt combines field-tested resilience and top tier tactical performance with a handsome, low profile. . design. Built from tough and breathable 5.4 oz. cotton canvas, this highly durable men’s cotton tactical shirt features triple stitched construction and 26. . inidual bartack reinforcements for extreme durability in any environment. 5.11 Hidden Document Pockets provide quick access to concealed gear, pen. . pockets at the left sleeve offer quick convenience, and an integrated cape-back Drillex® cooling system keeps you dry and comfortable all day long.. . Superior tactical utility, low profile appearance. . Integrated Drillex cape-back ventilation. . Moisture wicking technology. . Patented Hidden Document Pockets. . Pen pockets at the left sleeve. . 5.4 oz. 100% cotton canvas. . Triple stitch construction. . 26 inidual bartack reinforcements. . Hidden button down collar. . Melamine buttons won’t burn, crack, or melt. .