6.5 oz./yd², 100% cottonCharcoal Heather is 60/40 cotton/polyesterOxford is 92/8 cotton/polyesterOfficially licensed and trademarked front and back yokeRounded bottom waistRibbed collar and cuffsColor(s) on clearance: Atomic Orange/ Cosmic Pink Tie-Dye, Black Glitter, Black/ Camo, Black/ White, Char..