Earth Day Every Day Cool Vintage Rainbow Earth Day T-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 Make every day a version of Earth day with this cool retro vintage t-shirt pine tree with rainbow and retro styling t-shirt in men's and women's Lightweight, Classic fit, Double-needle sleeve and bottom hem