Big Bill flame-resistant t-shirts and knits are built to feel like your favorite everyday layers but engineered for serious protection on the job. Designed for comfort, durability, and dependable compliance, this collection includes a wide variety of styles ranging from base layers to crewnecks to henleys, short sleeves to hi-vis. Available in a range of FR fabrics, which are cool light and breathable, so you can be comfortably compliant, all day long. Every Big Bill FR T-shirt and knit meets the industry’s most trusted safety standards, fully compliant with ASTM 1506, CSA Z462, and NFPA 70E and arc-rated protection. Our flame-resistant garments are tested to the highest requirements to deliver reliable performance and lasting protection for the life of the product. Built to keep you safe, made to keep you comfortable, and designed for the demands of real work. Big Bill FR T-shirts and knits help you stay compliant, confident, and ready for the job.