Personalized Crackin' Up All Day - Funny and Lighthearted Design T-Shirt. Know someone who always has a joke ready or can make everyone laugh? This design is the perfect gift for them. A fun way to remind them to keep cracking up all day long! 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.