Hello bad acid trip shirt, nice to meet you! Made in the USA. - 100% polyester - 4.5 oz (153 g/m2) - Unisex fit - Lightweight - Made in the USASize guide XS S M L XL 2XL Chest (inches) 32 1/4 36 1/4 40 1/8 42 ½ 49 52 Length (inches) 27 1/2 27 7/8 29 30 ¾ 31 3/8 33