Personalized My Yia Yia Loves Me YiaYia for Grandchild T-Shirt. Cute boho style moon with stars for a newborn baby boy or girl from their Yia Yia grandma. 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.