Spreadshirt Philly Irish Shamrock Flag Apparel St. Pat's Men's T-Shirt Designed and printed in the USA. Celebrate St. Patricks Day, represent Philly, and show your pride for your Irish heritage with our Philly Irish Shamrock design. Rock this Irish design on t-shirts, sweatshirts, and tank tops! Relaxed, tailored and ultra-comfortable short-sleeve t-shirt. You'll love the way you look in this durable, reliable classic. 100% pre-shrunk, heavyweight cotton (except for heathered colors); Fabric weight 5.0 oz. For best results and to maximize durability machine wash cold, inside out and tumble dry on low heat. Official sizing (width x length measured in inches): S (18" x 28") | M (19.5" x 29") | L (22" x 30") | XL 24" x 31") | XXL (26" x 32") | 3XL (27.5" x 32.5") | 4XL (34.5" x 29") | 5XL (31" x 35") | 6XL (33" x 37.5").