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