"This is my bird-watching shirt" T-shirt for Bird Lovers 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 Great gift for bird watchers--armchair ornithologists will love it too! Lightweight, Classic fit, Double-needle sleeve and bottom hem