100% cotton. 16" in the knee narrows to 15" at the leg opening. Button up fly. NAKE-MJ7. 011063. Naked & Famous Denim uses only the most unique and rare denim fabrics from Japan. The prestigious mill in Japan is committed to producing only the best and most expensive denim in the world. All the jeans are raw and simple. No washes, no embroidery, no gimmicks just the best fabric in the world combined with modern fits.