Personalized Personalized 1st Birthday Boat Men's V-Neck T-Shirt. This fun personalized 1st sailboat Men's V-Neck T-Shirt - White makes a great gift idea for a girl or granddaughter's birthday. Make a custom gift idea for a 1 year old. 4.7 oz., 100% pre-shrunk cotton Narrow, set-in 1x1 mitered V-neck collar Shoulder-to-shoulder taping Double-needle stitched sleeves and bottom hem