Personalized Sad Robot T-Shirt. Even cold, mechanical automaton can get their hearts broken. Sad Robot T-Shirt - White combines the tragic with the technological to pull at our heartstrings. 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.