It's as authentic as they come, and now it comes in lightweight nylon/cotton ripstop. The Propper men's Abu coat in nylon/cotton ripstop is a military garment approved for active duty use by the usaf. Sewn to military specification fq pd-06-08c, our durable nir-compliant coat features reinforced elbows, three-button cuff adjustment, long-lasting wrinkle resistance and fused pockets for a professional look.