Relax in our new organic cotton knit pajamas...quite possibly the most comfortable pajamas we’ve ever made. Delicate contrast piping at the collar, button placket, and cuffs. This organic cotton fabric is Global Organic Textile Certified. GOTS certification creates standards for materials, the textile supply chain, and social aspects of production. This classification begins with fiber composition and includes that environmentally responsible are met through during the processes of dyeing and printing, and wastewater management. Good for your skin- and the environment!