90% cotton/10% polyester; low pill, high-stitch density PrintPro XP fabric with 100% cotton face; double-needle coverseamed neck, armholes and waistband; cotton/polyester/spandex neck, cuffs and relaxed waistband for ultimate comfort; Light Steel is 85% cotton, 15% poly; Charcoal Heather is 65% cotton, 35% poly;