You asked, we did. Here's our epic new Cool Earth I'm a Radical Optimist Kids T-shirt, out today. And even better, it's been printed using low waste technology by a certified organic company in the UK. .
Chest: Measure all around your chest just below your armpits.
Height: Your natural height
If you fall between the sizes, go for the larger of the two.
Certified Organic Cotton t-shirt, 155g/m2. Wash cool, hang dry. GM free. Not tested on animals. Does not contain animal-derived products. Printed in the UK with low waste printing tech. Made in a renewable energy powered factory audited for a wide range of social and sustainability criteria.