A superpower is a popular culture term for a fictional superhuman ability its also the focus of our awesome new design lets face it sarcasm is the best superpower ever t shirt design reads sarcasm is my superpowerour 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