4.5 oz./yd², 100% combed ring-spun cotton fine jerseyAsh is 99/1 combed ring-spun cotton/polyesterHeather is 90/10 combed ring-spun cotton/polyesterAll Blackout colors, Black Leopard, Blended White, Granite Heather, Storm Camo, & all Vintage colors are 60/40 combed ring-spun cotton/polyesterAsh and White are sewn with 100% cotton threadTopstitched ribbed-knit collarShoulder-to-shoulder self-fabric back neck tapeDouble-needle sleeves and bottom hemCPSIA compliant tracking label in side seamEasyTear™ labelThis product meets the following Sustainable Style subcategory:Socially Conscious Manufacturing: This product was made in a facility that is WRAP certified