The Henrietta Hat is a simple colourwork hat, suitable for beginners. It has a few different stitch techniques to create an interesting texture, as well as a modern colourwork motif. You can finish it with a pompom in any size you like.

Use a fingering weight (also known as 4ply or sock yarn):
Yarn CC1 Merino Singles - Cosmic Strings (Bordeaux) 40g
Yarn CC2 Merino Singles - Cosmic Strings (Aubergine) 20g
Yarn MC Merino Singles - Cosmic Strings (Henrietta) 50g

You will also need 3mm and 3.25mm double pointed needles.