Personalized Defeat Lyme Disease awareness Youth T-Shirt. Lime green heart ribbon with Defeat Lyme Disease support and awareness message comes on a Youth T-Shirt - Vintage Royal Blue for lyme disease awareness month or your next walk event. 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.