Personalized Stop Wishing Start Doing T-Shirt. Have you always wanted your dream to come true? Get this Stop Wishing Start Doing T-Shirt - Retro Heather Black to inspire you to make that dream a reality. Everyone loves our Custom T-Shirts! 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.