New School Men's St Patrick's Day Novelty T-Shirt Men's St Patrick's Day novelty tee screen-printed front graphic crew neck, short sleeves, solid back with no print 100% cotton - machine wash cold Men's sizing. Flat measurements. Medium: 19.5" across chest, 27" long. Large: 21" across chest, 27" long. X-Large: 23.5" across chest, 29" long. 2X-Large: 25" across chest, 29" long.