The original and the best running happiness design only from shotdeadinthehead run forest run old gump was a really happy kinda guy right artwork and words copyright push merchandising ltdt shirt design reads you cant but happiness but you can go running which is the same thingour crew neck short sleeved mens t shirts are 100 premium cotton in a soft pre shrunk jersey knit our womens t shirts are lighter weight 150g tees made with deluxe 30s soft style yarns for a soft feel