I have a 'Waiting for Santa' pj in size Med. I was going to put it up for sale but saw your post, so thought I'd let you know 1st.
xmas sale 4.jpg Measurements are: up to 12" Neck, up to 18" Chest, 15" Long. Bottom is very short, so it's perfect for boys. It's a slip on so no buttons or velcro.