This Forge FR quarter zip sweatshirt is made from heavyweight cotton fleece that insulates while meeting strict flame-resistant standards. The 12 oz. cotton fleece adds warmth without restricting movement, and aramid-thread stitching strengthens seams for dependable wear. Certified to NFPA 2112 and NFPA 70E PPE standards, it's built to withstand heat exposure while maintaining comfort through hours of wear.