Under Armour Men&rsquo;s Army Of 11 &frac12; Sleeve Compression Football Short Sleeve Shirt HeatGear fabric, with all the benefits of UA Compression, comfortable enough to be worn all day. Stretch-mesh panels deliver strategic ventilation. UPF 30+ protects your skin from the sun's harmful rays. 4-way stretch fabrication allows greater mobility in any direction. Moisture Transport System wicks sweat & dries fast. Anti-odor technology prevents the growth of odor causing microbes. ARMOUR wordmark on back neck. Body: 5.0 oz. Polyester/Elastane Mesh: 4.6 oz. Polyester/Elastane