Personalized Sin To Look This Good at 50 Youth T-Shirt. It's a sin to look this good at 50. Happy 50th birthday, you good looking 50 year old! 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.