Personalized Happy Memorial Day with Fireworks T-Shirt. Remember those who have fallen with Happy Memorial Day with Fireworks T-Shirt - White. To celebrate and honor those who gave us our freedom in America. 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.