This pattern can easily be adjusted for other sizes - just stop sooner!

It is knit in the round and so makes a nice tube that is quite warm for a double layer headband to wear in the winter.

Recommend a crochet provisional cast-on, and to consider using a needle size smaller in dpns for this cast-on edge when doing the kitchener stitch to graft it at the end.

Tutorial link for crochet provisional cast-on:
https://nimble-needles.com/stitches/how-to-knit-a-provisi...

Tutorial link for kitchener stitch:
https://www.purlsoho.com/create/kitchener-stitch-video/

Feel free to reach out with questions!