Made by 6oz midweight heather cotton blend FR jersey knit(92% cotton,8% tencel), this shirt delivers natural moisture-wicking performance with a soft, breathable feel. Breathable bird's-eye mesh panels at the sleeves and underarms enhance airflow, helping regulate body temperature and keep you cool, dry, and comfortable during long summer work environments. BUILT WITH FUNCTIONAL STYLE: Designed with a classic crewneck relaxed fit and tagless collar for irritation-free wear.A hidden left chest pocket with a secure button closure doubles as a pen slot or a full pocket when opened. Raglan sleeves provide unrestricted movement, while rib-knit collar and cuffs ensure a secure fit.The extended front and back hem offer added coverage when bending, reaching, or working overhead. BUILT FOR SAFE: This flame-resistant shirt meets or exceeds HRC2 with an Arc Rating. It is compliant with NFPA 2112, NFPA 70E, and ASTM F1506 standards, providing dependable protection in work conditions. BUILT TO LAST: Pre-shrunk for consistent sizing and long-lasting performance,machine wash warm at a temperature below 165°F(76°C), FR fabric that holds its shape and softness through repeated washing, maintained up to 100 washes before FR still works. BUILT FOR UTILITY WORK WEAR: More than just a worksite essential, our shirt provides protection and comfort for welders, fitters, ironworkers, electricians, and other industrial professionals. It layers easily under a men's work jacket or coat to keep you comfortable in all seasons and work environments.