Pattern has instructions for knitting this hat using Worsted Weight yarn and DK Weight yarn. It also includes tips for adjusting the hat size, making it larger or longer. So it’s a pretty versatile pattern to knit using any type of yarn with the appropriate adjustments.

I have never advertised this hat as an “Irish Hiking Hat”, however the cables on this hat do complement the Hello Yarn Irish Hiking Scarf pattern.

Depending on how large you make the hat and how long you make the ribbing section, you should not need more than 200 yds of yarn to make this hat.

WW hat was knit with US8 (5mm) needles.

Also available on Box.

DK hat was knit with US6 (4mm) needles using Cleckheaton Country 8 Ply yarn.

Stitch patterns used in this pattern are mentioned in the Pattern Post here:
and also in the Pattern Bibliography post here.