9 oz./yd (US), 15 oz./L yd (CA), 50/50 cotton/polyester. Light Steel is 50/40/10 cotton/polyester/black polyester. Silver Grey is 50/49/1 cotton/polyester/black polyester. Durable coverstitching throughout. Heavy ribbed knit waistband and cuffs. Set-in sleeves. C logo on left sleeve.