Do No Harm Tee: Jet Black Graphic Tees Page 2 Turquoise and Tequila Do No Harm Cowboy Skelly Tee We The Babes NXP Grain Dual Curved Tee in Jet Black Nena and Pasadena NXP Essentials Tee Jet Black(125BT232000F) DeepInsideinc.com Store. Good for the planet, good for your closet. The Do No Harm Tee is made from sustainable ECOSOF fabric, a recycled polyester and organic cotton blend, so you can breathe easy knowing that your clothing is earth conscious and eco friendly. A soft hand feel and medium weight that drapes nicely but holds its shape, combined with a flattering cut and stitch and pocket features that make this versatile tee an all around winner for everyday wear and everything else.