Personalized 1980s Throwback Costume T-Shirt. Funny lazy Halloween or party costume T-Shirt - White with radically, awesome, vintage abstract graphic. This Is My 1980's Costume. Perfect for retro, 80s throwback disco parties. 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.