Knit yourself a nice and warm har, or knit it as a gift.
Super cozy and comfortable.
This is a Pattern for a beautiful Fair Isle hat worked in 3 sizes

The pattern is written in US terms and metric and includes a tabel which showes the fair isle patern which is used. Its easy to understand but intermediate knitting,

knitting with 2 threads, 2 colors.
knitting with double pointed needles in a circle

S approx 44 cm diameter and approx 21 cm high. (very elastic)
M approx 48 cm diameter and approx 23 cm high (very elastic)
L approx 50 cm ddiameter and approx 25 cm high (very elastic)

approx 70 gr color A yarn and approx 40g color B yarn.
Chunky yarn
or Dk if taken twice
5x double pointed needles size 5