The original white Marsh Choir T-shirt made from organic cotton and printed in the UK in a renewable energy powered factory. Certified organic. Plastic-free packaging. 
 
Designed by Kitty Hope.
 
Sizes....'Small' is about size 8/10, 'Medium' 12/14 'Large' 16/18. Goes up to 3XL
What about the kids? The X Small is a baggy but cool fit on my 11 and 10 year old niece/nephew!