All colors are 6.75-ounce 100% cotton jersey knit unless specified differently below - Heather Gray 90% cotton/10% polyester - Snow Heathers: 55% cotton/45% polyester - All other heathers striped and neps: 60% cotton/40% polyester - Bright Lime Bright Orange and Blue Glow: 60% cotton / 40% polyester jersey - Loose Fit (formerly known as Original Fit) - Loose and Original labeling is a change in name only sizing/fit does not differ. Stock may vary in labeling. - Rib-knit crewneck - Side-seamed construction minimizes twisting - Left chest pocket with sewn-on Carhartt logo - Tagless neck label - Sleeve has 1" hem - -