SAFETY-FIRST STYLE FOR WORKHazardous working conditions call for tough clothes that can handle the heat. Combining a modern look and purpose-built features, the Wrangler Retro® FR flame resistant slim bootcut jean is made to keep you safe while meeting rigorous workplace standards. These flame-resistant jeans come with the signature five-pocket styling, a slim fit, and a traditional bootcut leg opening. They're crafted from a cotton blend for unstoppable comfort and a subtle amount of four-way stretch to keep you moving like you mean it and are designed to self-extinguish to effectively prevent and greatly reduce the severity of burn injuries. Peace of mind in your line of work? Priceless. Certifications vary by color. Please see below.Timothy Midstone: ATPV 17 CAL/CM2. Meets NFPA 70e/NFPA 2112 Certification. CAT2.Caden Dark Tint: ATPV 17 CAL/CM2. Meets NFPA 70e/NFPA 2112 Certification. CAT2. Memphis: ATPV 20 CAL/CM2. Meets NFPA 70e/NFPA 2112 Certification. CAT2.