Product Description Jerzees Mens Dri-Power Long Sleeve T-Shirt, Safety Orange, Small 50% cotton, 50% polyester Oxford is 53% polyester, 47% cotton shoulder-to-shoulder tape double-needle coverstitched front neck set-in sleeves rib cuffs with concealed seams seamless body for a wide printing area double-needle stitched hemmed bottom seamless 1x1 rib collar California Prop 65 Warning : This product can expose you to chemicals including arsenic, which is known to the State of California to cause cancer. For more information visit to the website.