C-O 105 stitches using a provisional cast-on. Knit with handspun 18 cm in the round (first and last stitch =S1K1PSO = 104). Picked up the stitches from the provisional C-O and knit the stitches from both needles together for a doubled brim. Knit another 13-14 cm before starting the decreases - 8 stitches on every other row. 16 stitches left on the needles.
This hat can be used with both the “knit” side and the “purl” side out, and with the brim up or down.