Musicians of Bremen T-shirt, T-shirt with a green design for musicians and a unisex cut. T-shirt made under: FWF, an independent, non-profit organization that works with companies and factories to improve the working conditions of garment workers. - Organic 100% content standard: for products that contain 95% organic materials. - Organic Blended content standard: for products that contain a minimum of 5% organic material mixed with conventional or synthetic raw materials. -Confidence in textiles: "Textiles of confidence" - this label is used for textiles with the absence of harmful substances according to the Oeko-TEX® Standard 100. OEKO-TEX® Standard 100 is an independent testing and certification system for all types of textile controls for harmful substances.