Personalized Shit Happens Unicorn T-Shirt. We all know that shit happens at any given day. But it is best to see those mistakes as something positive. Don't let shit ruin your day, turn it into something magical! 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.