Personalized Coolest Mom Ever Toddler T-Shirt. Coolest mom ever! Who's the best mom? This lady! Two thumbs up for this mom. Funny shirt for your favorite mother! A toddler-soft cotton tee in look-at-me, big kid colors. 4.5 oz., 100% combed ringspun cotton. White is sewn with 100% cotton thread. Topstitched rib crew neck. Double-needle stitched sleeves and bottom hem. Shoulder-to-shoulder taping.