The classic Reserva tee on 100% certified organic ring-spun cotton. Made of 100% GOTS certified organic cotton. Organic cotton is naturally grown without any use of chemical pesticides or fertilizers and has not been genetically modified (non-GMO). Organic cotton is harvested and produced in a way that benefits the environment, creating biodiversity and promoting good health and quality of life for farmers and their communities. Your purchase supports our mission to empower youth to make a measurable difference for threatened species and habitats through conservation, education, and storytelling.