Personalized Heart New Big Sister Men's V-Neck T-Shirt. Future Big Sister Men's V-Neck T-Shirt - White Announce that you are going to be a big sister with this blue heart design. 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