National Safety Apparel C52FKSRLSXL FR Control 2.0 Flame Resistant Long Sleeve T-Shirt for Industrial Work & Construction Safety" （优化说明： 1. 增加了"Flame Resistant"关键词，符合SEO规范 2. 补充了使用场景"Industrial Work & Construction Safety" 3. 保持核心产品型号信息不变 4. 标题长度控制在合理范围内）

Item Details National Safety Apparel FR Control 2.0 Long Sleeve T-Shirt, 5.5 oz. Navy Modacrylic blend, Temperature Regulating Base Layer, Size X-Large Features Inherently flame resistant - will not melt or drip Proactively regulates skin temperature (+/-) 3 degrees Heat Stress Reduction Reduces perspiration 34% Lightweight, breathable fabric Odor Control Superior moisture wicking and dry rate Stretch for comfort and flexibility Raglan sleeves for optimal range of motion Specifications ASTM 1506-10a OSHA 1910.269 NFPA 70E-2015 Compliant for Arc Flash CSA Z462-15 Compliant for Arc Flash (Canada) Applications Arc Flash and General FR Applications Oil and Gas Construction Utilities Electrical Cooperative This listing is for Each. Clothing Type: Shirt, T-Shirt Clothing Size: X-Large Material: Modacrylic Color: Blue Material Weight: 5.5 Ounce ATPV Rating: 4 cal/cm²

ADVANCED FABRIC TECHNOLOGY: Our DRIFIRE FR Control is designed to tackle both hot and cold conditions. This flame resistant base layer actively respond to varying conditions helping regulate your body temperature +/- 3 degrees.

MOISTURE WICKING: Our tagless shirt collar design is made of lightweight breathable fabric that offers odor control protection while wicking away moisture, reducing perspiration by up to 34%.

COMPLIANT: Inherent flame resistance that won't wash or wear out over time. Meeting NFPA 70E, CSA Z462, ASTM F1506, and OSHA 1910.269 standards with CAT 1 arc rating 4cal/cm², providing essential protection for workers.

WASH / CARE INSTRUCTIONS: Please read garment label and launder accordingly. DO NOT use chlorine bleach, DO NOT iron, DO NOT dry clean, DO NOT use fabric softener. Machine wash warm, Tumble dry low heat

MADE IN THE USA: DRIFIRE FRC is proudly made in the United States. Our garments are meticulously crafted from the highest quality materials with one objective; to keep you safe in some of the most dangerous environments!