Personalized 2nd Birthday Buffalo Plaid 2 Year Old T-Shirt. Celebrate your childs two year old birthday with this fun buffalo plaid lumberjack style number 2 design. 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.