
These are such lovely crochet hats. However, the instructional pattens are not free. I found them on sale in the link here: Go check it out if you are interested.
Meanwhile, if you are a good DIY crocheter, you probably have an idea how to crochet them by just looking at the final product.
If you need crochet hat patterns for free, then you should check out ravelry in the following link.