Features of the Carhartt Men's Flame Resistant High Visibility Force Class Hybrid Shirt Fastdry Technology wicks away sweat for comfort Stain breaker Technology releases stains Dark navy color blocking in High wear Areas to hide dirt Button-down collar with button closure FR melamine buttons throughout Two chest pockets with button closure Triple-stitched main seams Side-seamed construction minimizes twisting Extended sleeve plackets with two-button adjustable cuffs Carhartt FR label sewn on left pocket, NFPA 2112/cat 2 label sewn on sleeve placket Ansi class 3, type r compliant, 3m scotchlite reflective material; segmented trim #5535 maintains Performance through 65 home launderings Meets ansi class 3, type r visibility standards Meets the Performance requirements of NFPA 70E and is ul classified to NFPA 2112 Fabric Details Pique knit: 48% Modacrylic, 37% Lyocell, 15% Aramid