Blossom Chunky Pattern 4865- Baby Hats from birth to 2 years. Find the perfect shape and choose your favorite shade of self-patterning Baby Blossom for your little one. You'll also need: 1 pair of 4mm (UK8-USA6) Knitting needles and 1 pair of 3.25mm (UK10-USA3) Knitting needles. 1 button for bonnet, 2 buttons for helmet & stitch holders.