Personalized Breast Cancer Oma Youth T-Shirt. Breast Cancer Oma design Youth T-Shirt - White features a pink train with pink awareness ribbon and little hearts of love for your Grandma. Remembering My Oma quote. 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.