Personalized Alzheimers Disease Awareness Great Grandpa Purple Women's T-Shirt. Alzheimers disease butterfly lets you show your support for your Great Grandpa with his fight against Alzheimers with this cute purple ribbon awareness I Love My Great Grandpa Women's T-Shirt - Storm Camo. Classic ladies' styling with a feminine neckline, sleeves and fit. 5.0 oz., pre-shrunk 100% cotton. Double-needle stitching throughout