Personalized Breast Cancer For My Sister T-Shirt. Cute pink bird with Breast Cancer slogan on T-Shirt - Pink that says I Wear Pink For My Sister and a pink breast cancer awareness ribbon logo. 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.