Personalized Funny St Patrick's Day Warning- Prone to Shenanigans T-Shirt. Whether you're dressing up for a celebration or just want to show off your festive spirit, this "Prone to Shenanigans" apparel is a must-have. Get ready to embrace the fun and enjoy the day with a smile! Wardrobe essential for looking good, 24/7. 5.0 oz., pre-shrunk 100% cotton. Seamless 1x1 rib collar. Shoulder-to-shoulder taping. Double-needle stitched sleeves, bottom hem and front neck. Note: greys are a cotton/polyester blend.