Personalized I Do Yoga To Burn Off The Crazy Funny T-Shirt. Show off your love for yoga and your sense of humor with this unique piece. Grab yours today and let the world know how you embrace the fun side of fitness! 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.