This 5.3 Oz. tee shirt is made from 100 percent cotton preshrunk jersey knit (Ash gray is 99 percent cotton/1 percent polyester; Sport gray and antique colors are 90 percent cotton/10 percent polyester; Heather colors, neon colors, safety colors & blackberry purple, lilac purple, midnight blue, russet brown, sunset orange and tweed gray are 50 percent cotton/50 percent polyester). Has seamless double-needle 7/8″ collar, tearaway label, taped neck/shoulders, & double-needle sleeve/bottom hems. Not all colors are available in all sizes. Complies with ANSI, ISEA.