Tweed hat, help!

I'm desperately trying to make a tweed-like hat for my sister. I've done and undone three hats and still I don't have what I want. The hat she likes is like this one:


I've working with this pattern, but something is missing... can anyone help me?!

Tweed hat pattern:

Hook H8/5.00 mm
Worked together 2 strands of yarn Cascade 220
100% Peruvian highland wool
Weight 100 gr/3,5 oz – 220 yards

Gauge: 4 sc= 1’’ 3,5 rows= 1’’


TOP
Starting at center of crown, ch 4, form ring with sl st in 1st ch

Row 1: 8 sc in ring. Join to 1st sc with sl st.

Row 2: ch 1, 2 sc in same sc of sl st, 2 sc in every other sc. Join to 1st sc with sl st. (16 sc)

Row 3: ch 1, 2 sc in same sc of sl st, *1 sc in 1 sc, 2 sc in 1 sc*, rep **. 1 sc in last 2 sc. Join to 1st sc with sl st. (24 sc)

Row 4: ch 1, 2 sc in same sc of sl st, *1 sc in 2 sc, 2 sc in 1 sc*, rep **. 1 sc in last 2 sc. Join to 1st sc with sl st. (32 sc)
Row 5: ch 1, 2 sc in same sc of sl st, *1 sc in 3 sc, 2 sc in 1 sc*, rep **. 1 sc in last 3 sc. Join to 1st sc with sl st. (40 sc)

Row 6: ch 1, 2 sc in same sc of sl st, *1 sc in 4 sc, 2 sc in 1 sc*, rep **. 1 sc in last 4 sc. Join to 1st sc with sl st. (48 sc)

Row 7: ch 1, 2 sc in same sc of sl st, *1 sc in 5 sc, 2 sc in 1 sc*, rep **. 1 sc in last 5 sc. Join to 1st sc with sl st. (56 sc)


The top of the hat will now have the shape of an octagon.

Row 8: ch 1, 2 sc in same sc of sl st, *1 sc in 6 sc, 2 sc in 1 sc*, rep **. 1 sc in last 6 sc. Join to 1st sc with sl st. (64 sc)

Row 9: ch 1, 2 sc in same sc of sl st, *1 sc in 7 sc, 2 sc in 1 sc*, rep **. 1 sc in last 7 sc. Join to 1st sc with sl st. (72 sc)

Row 10: ch 1, 2 sc in same sc of sl st, *1 sc in 8 sc, 2 sc in 1 sc*, rep **. 1 sc in last 8 sc. Join to 1st sc with sl st. (80 sc)

Row 11: ch 1, 2 sc in same sc of sl st, *1 sc in 9 sc, 2 sc in 1 sc*, rep **. 1 sc in last 9 sc. Join to 1st sc with sl st. (88 sc)

Row 12: ch 1, 2 sc in same sc of sl st, *1 sc in 10 sc, 2 sc in 1 sc*, rep **. 1 sc in last 10 sc. Join to 1st sc with sl st. (96 sc)

SIDES
Row 13: work back loop only. Ch 1, 1 sc in same sc of sl st and in all other sc. Join to 1st sc with sl st. (96 sc)
Rows 14 – 29: work both loops. Ch 1, 1 sc in same sc of sl st and in all other sc. Join to 1st sc with sl st. (96 sc)

BRIM
Row 30: ch 1, 2 sc in same sc of sl st, *1 sc in 11 sc, 2 sc in 1 sc*, rep **. 1 sc in last 11 sc. Join to 1st sc with sl st. (104 sc)
Row 31: ch1, sc in each sc, sl st.
Row 32: ch 1, 2 sc in same sc of sl st, *1 sc in 12 sc, 2 sc in 1 sc*, rep **. 1 sc in last 12 sc. Join to 1st sc with sl st. (112 sc)
Row 33-34: ch1, sc in each sc, sl st. At end of row 34, fasten off.