CO 36 sts. Join in round, work 1x1 ribbing for about 1.75”.

Work Stockinette and create gusset to 11 sts. Put gusset sts on hold, CO 1 stitch and continue in round

Switch to ribbing in this way: k1, p1, k2tog, p1.

Work ribbing about 4 rds. Bind off purlwise.

Thumb: put 11 gusset stitches on needles, add 4 sts by knitting on from body. On first round, Dec 1 in those stitches, 14 stitches total. Work 7 rds total, bond off purlwise.