5.11 Men's Taclite TDU Short Sleeve Shirt 100% Other Fibers Imported Built from 4.4 oz. Taclite ripstop fabric is lightweight, durable, breathable, Teflon treated for stain and soil resistance Patented 5.11 hidden document pockets Triple-stitch construction, bartacking at key stress points Bi-swing shoulder for a wider range of motion Tough melamine buttons won't burn, crack, or Melt Lightweight, durable, breathable Replaces aging BDU product lines Bi-swing shoulder for a wider range of motion Patented 5.11 Hidden Document Pockets