Solids: 5.75-ounce 65% cotton / 35% polyester stretch plaited jersey knit; Heather gray: 59% cotton / 41% polyester stretch plaited jersey knit; Other heathers: 60% polyester / 40% cotton stretch plaited jersey knit - Built with Force technology - FastDry technology - UPF 25+ - Flatlock seams - Raglan sleeves - Ventilated side panels - Carhartt graphic on front - Droptail hem - Tagless neck label