JMCO 20 stitches. Incr every other round to 60 stitches. Knit to 2” shy of heel. Short row heel to 10st. 12th full stripe after heel: increase 4 st (1st in from end of each needle). 17th and 18th full stripes after heel: increase 2 st (2st from end of back left needle and after 2nd stitch from beginning of back right needle). 20-23th full stripes after heel: increase 4 st (1st in from end of each needle). Knit 4 rows as normal. Knit 2X2 ribbing until nearly out of yarn. CO-bind off.