The Port & Company PC54 Core Cotton Tee features a 5.4 oz. fabric weight and is primarily made of 100% cotton. Variations include blends such as 90/10 cotton/polyester for Athletic Heather, 50/50 cotton/polyester for several neon and heather colors, and 98/2 cotton/polyester for Ash. This tee includes a removable tag to enhance comfort and allow for easy relabeling.