MODERN PROTECTION: Experience superior protection without sacrificing comfort with the modern athletic cut and proprietary fiber blend of the DRIFIRE Helix long sleeve t-shirt, offering 12 cal arc flash and flash fire protection. OPTIMIZED PERFORMANCE: Engineered with a helix knit structure and soft, wicking fibers, this lightweight, breathable shirt regulates skin temperature while providing high stretch for increased mobility during intense activities. DUAL HAZARD PROTECTION: With an Arc Rating of 12 cal/cm² and CAT 2 certification, the 6.5 oz. DRIFIRE Helix Knit fabric ensures reliable protection against both arc flash and flash fire incidents. STAY COMLIANT: Inherent flame resistance that won't wash or wear out. External compliance labeling for easy identification, meeting NFPA 70E, NFPA 2112, CSA Z462, ASTM F1506, and OSHA 1910.269 certifications. ALL-DAY COMFORT: Enjoy a tagless neckline and left front chest pocket for convenience, along with a breathable design that won't weigh you down, making it ideal for long hours on the job.