BLACKHAWK! Men's HPFU Slick Combat (Not I.T.S.) Shirt cotton 70% cotton / 30% nylon ripstop; Multi Cam pattern: 50% nylon / 50% cotton ripstop Superior breathability and moisture-wicking comfort especially for wear under plated armor including a zippered mock neck allows added ventilation Comfortable cotton/modacrylic/spandex blend that has an antimicrobial treatment resists odors Machine wash cold 30C, permanent press, or hand wash using mild detergent without optical brighteners. Do not: wring, twist, use chlorine bleach, starch, fabric softener or commercially hot press. Indonesia