Personalized Monster Truck Little Bro T-Shirt. T-Shirt - Gold with cute red kawaii monster truck with big wheels design says LIL BRO. Gift for a little brother who loves racing and big trucks. 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.