Who isn't excited for their birthday? This adorable "I can't keep calm" custom third birthday DARK t-shirt is perfect for your little one's special day! Whether celebrating a special third birthday or any other, this fun DARK tee can be customized for any age and is sure to please! So, so cute and ideal for birthday party photo memories! The birthday shirt can always be customized to specific wording and colors to match your birthday party theme. Just add your custom color requests to the "Special Instructions / Notes" section when ordering.