Boys St Patricks Day T Shirt Irish I had a Mustache 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 Looking for an awesome St Pattys Day shirt ? Then you've come to the right place. Our funny Irish mustache t-shirt makes for a great St Paddys Day gift. This cute St Patricks Day tshirt is sure to be a hit whether it is for men, boys or kids. A soft comfy design tee perfect for the little leprechaun in your life. Lightweight, Classic fit, Double-needle sleeve and bottom hem