Personalized 1980s Throwback Costume Youth T-Shirt. Funny lazy Halloween or party costume Youth T-Shirt - Black with radically, awesome, vintage abstract graphic. This Is My 1980's Costume. Perfect for retro, 80s throwback disco parties. Let the good times roll in a durable T-Shirt that takes kids from school to play in an amazing array of colors. 5.0 oz., pre-shrunk 100% cotton. Seamless 1x1 rib collar.