Personalized My Mimi Thinks Im Awesome Grandchild Outfit Youth T-Shirt. Cute gift for grandkids from their Mimi grandma with handprints and Mimi thinks Im awesome 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.