Irish Kelly Drinking Team T-Shirt St Patrick's Day 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 Popular St Patrick's Day T Shirts for men and women. Irish Kelly Drinking Team St Patrick's Day Green Shirts.Funny Irish Drinking Team Shirts Lightweight, Classic fit, Double-needle sleeve and bottom hem