Your purchase supports the education of coal's dangers to environmental and public health while advocating the use of cleaner fuel sources. Proceeds from each sale go to the Sierra Club.95% Sustainably Grown, Premium, Certified Organic Cotton 5% ElastaneDesigned in San Francisco Responsibly manufactured in TurkeyTrue to Size gives the perfect stretch fitPackage made from 100% Recycled ContentChange starts with your underwear. This pattern supports the Sierra Club Student Coalition's "Campuses Beyond Coal" initiative protesting coal-powered universities. Let's move America beyond dirty coal....