FLAME RESISTANT PANTS FOR MEN: Stay comfortable even when the environment isn't. Engineered to fit your body, these are the best Flame Resistant jeans you'll ever wear, being slim and modern without being tight or restrictive. FIRE PROTECTION: These pants are engineered for demanding work environments and follows NFPA 70E, NFPA 2112, and Cat 2 requirements for protection from possible exposure to electrical hazards, short-duration thermal exposures, and flash fire hazards. ALL-DAY PERFORMANCE: With DuraStretch fabric, these work pants for men offer just the right amount of flex for increased mobility and all-day performance. They are thoughtfully designed with 13 oz stretch denim and 98% Cotton, 2% Spandex. FUNCTIONAL FEATURES: These men's pants are designed for functionality and comfort, including convenient extra deep front pockets, anchored belt loops, and no-rub comfort inseams. Heavy-duty zippers and hardware ensure these jeans are built to last. SCIENCE OF INNOVATION: Like all Ariat products, this denim excels in advanced technologies to deliver a product that outperforms in various conditions. Partnered with world-class research groups that improve performance, comfort, and durability.