The Potomac Field Fear Lightweight Short Sleeve Shirt is a high performance layer one shirt designed for the modern war fighter. The fabric used to construct each shirt is designed to protect and offer an increased comfort level to the wearer. With features like flame resistance and anti-microbial/anti-odor properties you are sure to stay protected and comfortable no matter where your area of operations takes you. The protective properties of these shirts are impressive. With flame resistance that is self extinguishing once the source is removed your skin will be protected far better than the competitions shirts. Moisture management scored 1855 on the moisture vapor transfer test which is comparable to Under Armour's Heat Gear. Advanced Protective Fabric (AFP) is anti-odor/anti-microbial with the X-Static component being able to destroy a wide array of harmful bacteria that causes body odor and skin conditions. Finally each shirt has anti-static properties with a 5,000 volt charge reduced to 500 volts in 0.01 seconds which makes it ideal for wearing in explosive or fuel rich environment. Features: Made from Patented Advanced Protective Fabric Fire Resistant - Self Extinguishes Once Ignition Source is Removed Moisture Management - Scores 1855 on Moisture Vapor Transfer Rate Anti-Odor - Kills Bacteria Effectively for Life of Shirt Anti Static - Safe in Explosive or Fuel Rich Environments UV Protection - Protects from UV Exposure