The pattern is knit from bottom up on a circular needle.
It repeats over 4 stitches and 4 rounds.
Cowl and hat are knitted in a modified Trinity Stitch.
I used 3 skeins of Ice Baby Camel Chain for cowl.
And 1+1/2 skeins of Ice Baby Camel Chain for hat.
Ice Baby Camel Chain (246 yards/225 meters. Unit weight 50 grams / 1.76 ounces)

MATERIALS:
Yarn weight: Sport (12 wpi) ?
Gauge: 22 stitches 24 rows (stockinette stitch): 4 inches / 10 cm
Total Yardage: 1108-1150 yards / 1013-1050 meters
Needles:
US 7/4,5 mm circular needles 36 inches / 91 cm
US 7/4,5 mm circular needles 16 inches / 40 cm
US 6/4 mm circular needles 16 inches / 40 cm
US 6/4 mm or US 7/4,5 mm double pointed needle set
Stitchmarker

FINISHED MEASUREMENTS:
Cowl:
Approx. 44 inches circumference x 19 inches tall
112 cm circumference x 48 cm tall
Hat:
Approx. 19 inches circumference x 10 inches tall
48 cm circumference x 25.5 cm tall