Sizes & Finished Dimensions
Finished Foot Circumference:
6.25(7.25, 8.25, 9) in/16(18.5, 21, 23) cm

Finished Foot Length (adjustable): 7(8.25, 9.5, 10.25) in/18(21, 24, 26) cm

Intended to be worn with about 1 in/2.5 cm of negative ease. Choose a size slightly smaller than the desired foot circumference at the ball of the foot.

Shown in size 8.25 in/21 cm

Yarn

Fingering weight yarn:
240(300, 320, 345) yd /220(275, 293, 316) m

If substituting:

Yarn for Cuff & Wide Stripes:

145(180, 190, 215) yd/132(165, 174, 198) m

Yarn for Heel & Narrow Stripes:

95(120, 130, 130) yd/88(110, 119, 119) m

Each narrow stripe is about 5 yd/5 m.
Each wide stripe is about 11 yd/10 m.
Each long grey section (for the heels) is about 34 yd/31 m.

Blocked Gauge
Gauge measurement should be taken after blocking.

32 sts/48 rows = 4 in/10 cm in Stockinette stitch

Chevron Motif Panel measures 3(3.25, 3.75, 4) in/7.5(8.5, 9.5, 10) cm wide

Needles
Needle Sizes are recommendations only. Always use needle size necessary to obtain gauge.

Suggested Size US 1/2.25 mm needles

Notions
tapestry needle
stitch markers
cable needle (optional)

Skills
I consider this an intermediate level pattern. Techniques used include working a twisted stitch motif from charted or written instructions, wrap- and-turn short row shaping, decreasing, and grafting.

Tutorials

How to work a short row heel: https://www.andrearangel.com/tutorial-blog/short-row-heel-tutorial

Twisted Purl Stitches: https://www.andrearangel.com/tutorial-blog/twisted-purl-stitches-video