4.5 oz., 50% cotton / 50% polyester with tear away label. Fabric is USA Made.. In stock only colors are 4.5 oz., 55% cotton / 45% polyester with a heat seal label. Fabric is not USA Made.. Three contrast self fabric inset stripes on sleeves. 1x1 ribbed collar. Front and back yoke. Fitted silhouette. WRAP Certified - Worldwide Responsible Accredited Production.