104138 Carhartt Men's FR Force Sun Defender LS Shirt Engineered for demanding work environments, this Carhartt FR Force Sun Defender long sleeve shirt combines flame-resistant protection with advanced sun defense. UPF 50+ blocks harmful UV rays, while FastDry technology wicks moisture to keep you cool and comfortable throughout the day. The wrinkle-resistant fabric maintains a professional appearance, and built-in odor-fighting properties extend wear between washes. Button-down design offers easy layering and versatility. Ideal for workers who need reliable FR protection without compromising on comfort or performance. Loose fit Inherently Flame-Resistant fabric Meets the performance requirements of NFPA 70E / ASTM F1506 UL Classified to NFPA 2112 FastDry technology keeps you cool for all day comfort Force Sun Defender UPF 50+ UV protection Fights odors Triple-stitched main seams Breathable honeycomb weave Wrinkle resistant, anti-static, colorfast fabric Extended sleeve plackets with two-button adjustable cuffs Carhartt FR label sewn on left pocket NFPA 2112 / CAT 2 label sewn on sleeve placket Two chest pockets with button closures; Tradesman double-layer pocket on left chest Center Back Length: Regular - 31" / Tall - 33" Fabric 4.7-ounce | 50% Viscose / 33% Meta-aramid / 10% Nylon / 5% Para-aramid / 2% Antistat FR Twill