Cabled Yak Hat

There are so many options for beautiful knit hats this time of year. One of the warmest fibres in our store is yak. Yak by Lang Yarns is a 50/50 blend of yak and wool that is sure to keep your ears toasty in this simple cable pattern for the final winter chill.
Materials:
2 50g balls of Yak (130m/ball)
4mm 16" circular needle
4.5mm 16" circular needle
4.5mm DPNs
cable needle
Abbreviations:
C2L: left cross cable - slip 1st 2 stitches onto cable needle and let hang to front of work. Knit the next 2 stitches from the left needle, then holding the cable needle in your left hand, knit the 2 stitches from the cable needle.

Working in the round and using smaller circular needles, cast on 108 stitches, join.
Round 1: Knit
Round 2: *Knit 1, purl 1* repeat from * to * around. Repeat second round until band measures 6 cms/2.5 inches.
Turn piece inside out, knit 1 round, increasing 2 stitches evenly =110 stitches.
Change to larger circular needles.
Work Pattern:

Rounds 1-3: *knit 4, purl 6* repeat from * to * around
Round 4: *C2L, purl 6* repeat from * to * around.
Rounds 5-6: As for rounds 1-3.
Repeat these 6 rounds until hat measures 12 cm/5 inches from start of cable patterning.
Next round: decrease 1 stitch in the middle of every purl section. Decrease in this manner every 4 rounds twice more, then every 2 rounds twice.
There is now 1 purl stitch remaining between cables. Work 1 round after the last decrease.
Next round: knit 2 together in the middle of each cable. Work 1 round purl 1, knit 3. On the next round knit 2 together around.
Cut yarn, thread tail through stitches, gather and sew in end securely on wrong side of hat.