This yarn is rather odd colors, but it feels nice. Label is long gone.

CO 45 sts. 12 rnds K2, P1 ribbing. 36 rnds st. st.
Heel flap on 23 sts, k2tog in center of first row of flap
Work 16 rows of heel st in all.
Turn heel 7-7-7.
Pick up 8 sts on each side of flap, then usual gusset decks EOR until 44 sts remain.
K even on 44 sts for 40 rnds, the work toe decks every round until 16 sts remain. Kitchener toe.