Earth Day T shirts - Earth Day Shirt Solid colors: 100% Cotton; Heather Grey: 90% Cotton, 10% Polyester; All Other Heathers: 50% Cotton, 50% Polyester Imported Machine wash cold with like colors, dry low heat Earth Day T shirts, Earth Day Shirt, Earth Day Tee Shirts, Earth Dday Shirt Men, Make Every Day Earth Day 2016 Shirt Earth Day T Shirt 2016, Earth Day T-Shirt, Happy Earth Day 2016 Shirt, Great International Earth Day Shirt Lightweight, Classic fit, Double-needle sleeve and bottom hem