LooptWorks Men's Thottam Long Sleeve Performance Tee Pima-cotton 58% Pima Cotton, 42% Polyester 100% Upcycled Dry-Tech 141 Pima Cotton/Polyester materials. Gusseted side seams and an elongated back hem. Machine wash cold with like colors. Tumble dry low. Do not bleach. Iron low. To consider the environment: switch to a non-chemical detergent. Wash at lower temperature. Hang to dry, no need to tumble dry. Thailand