The NKE Men's FR 1/4-Zip Sweatshirt delivers dependable flame-resistant performance, mobility, and everyday utility in a durable sweatshirt built for demanding jobsite wear. Built with 12 oz, 100% Cotton, this piece is designed to hold up through long shifts while maintaining comfort and range of motion. Key details include 12oz brushed fleece - heavyweight, warm, and comfortable, Inherently aramid sewing thread for strength and flame resistance, and 1/4 FR zipper for easy wear and ventilation. It is UL certified to NFPA 2112, compliant with NFPA 70E, and arc rating of 21 cal/cm².