This simple hat pattern works up quickly but is lightweight and warm. This free hat pattern is written for fingering-weight wool held double with lace-weight silk mohair, but you can experiment with other options and different yarn weights.
The Littoral Hat pattern has four sizes: 16.25 (18.25, 20, 21.75) in / 41.5 (46.5, 51, 55) cm circumference. Most people like their hats snug, so if that’s what you’re looking for, choose a finished hat size that is somewhat smaller than your actual head circumference.
You'll need 0ne set of needles for small-circumference knitting (recommended US 8 (5mm), plus one set of needles three sizes smaller (for the brim), as well as a stitch marker for beginning of round, optional additional markers between pattern repeats, and a tapestry needle for weaving in ends.