Alternative sole:

KO 8
Row 1: Knit
Row 2: Knit
Row 3: K2 M1 K4 M1 K2 ➔ 10 st
Row 4: Knit
Row 5: K2 M1 K6 M1 K2 ➔ 12 st
Row 6: Knit
Row 7: K2 M1 K8 M1 K2 ➔ 14 st

Rows 8 to 44 : Knit (22 garter ridges since CO)

Row 45: K1 SSK K8 K2tog K1 ➔ 12 st
Row 46: Knit
Row 47: K1 SSK K6 K2tog K1 ➔ 10 st
Row 48: Knit
Row 49: K1 SSK K4 K2tog K1 ➔ 8 st
Row 50: Knit

PUK 24 sts along 1st side next to the 8 sts just worked
PUK 6 sts along CO edge
PUK 24 sts along 2nd side ➔ 62 sts

work in the round

Break yarn

Rejoin the yarn and begin at 3rd picked up st at sole’s CO edge

Round 1 (= row 12 of pattern) : S1Pwise YO P1 x 31 times
Round 2 (= row 13 of pattern) : K1 together with the YO P1 x 31 times

Repeat those 2 rounds 6 times (➔ row 25 of pattern)

Round 15:Knit 1 round
Round 16:Purl 1 round (➔ row 27 of pattern)

Round 17: K19, SSK x6, K2tog x6, K19 (50 stitches)
Round 18: Purl
Round 19: K13, bind off 24 stitches K13

Finish booties as per pattern from end of row 30