this report details an evaluation of potential candidate replacement fabrics for the navy's 100 texturized polyester certified navy twill (cnt) fabric for use in all l-1 and e-1 summer dress white uniforms and in e-1 dinner dress white and summer khaki uniforms. the navy clothing && textile research facility (nctrf) was directed by the naval military personnel command (nmpc) to conduct this study keywords: polyester plastics, cotton textiles, rayon, woolen textiles, silicone resins, trousers, creases, laundry operations, dry cleaning, soil release, dimensional stability, military uniforms, laboratory materials testing, uniform wear testing, air permeability, human factors engineering. (aw)