Personalized Personalized 1st Birthday Boat Toddler T-Shirt. This fun personalized 1st sailboat Toddler T-Shirt - Charcoal makes a great gift idea for a girl or granddaughter's birthday. Make a custom gift idea for a 1 year old. 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.