<ul><li>Polyester/spandex</li><li>Mesh back</li><li>Black bottom on front (<em>Contrast on shirt, a request from Dept. of Transportation</em>)</li><li>Left chest pocket</li><li>Breathable tape stretches</li></ul><p>ANSI/ISEA 107 2015 / ANSI/ISEA 107 2020 Type R | Class 3</p><p><em>Fabric dye lot variances may occur and meet luminance factor as stated in the standard.</em><br /></p><p><br /></p>