This pattern is sized for a medium adult head, or about 20 inches. The ribbed brim is stretchy, though, so it will fit 20 - 22 inch noggins with no problem.
gauge: 7 stitches per inch
Cast on 128 stitches, using circular needles.
BRIM
Join into a round; work K1, P1 Rib stitch for one row.
K1, P1 Rib Stitch: *k1, p1, k1, p1, repeat from * to end of row.
When you reach the end of the row, place stitch marker. Look at the row you've just knit to make sure the stitches are not twisted around the circular needle.
Continue K1, P1 Rib stitch for 7 more rows, or until the brim measures 1 inch.
BODY
Increase Row: *K2, m1, repeat from * to end of row. 192 stitches.
What is m1, or Make One?
Knit until body measures 3 inches from the brim, about 27 rows, or 4 inches from beginning of hat. For a floppier beret knit until body measures 4 1/2 or 5 inches.
CROWN
As you begin to decrease stitches, the beret will no longer fit on the circular needles. Transfer stitches onto four double-pointed needles at this point.
Row 1: K2 tog, k halfway around (about 95 stitches, but you needn't count), k2 tog, k to end. 190 stitches.
Decrease Row 1: *K3, k2tog, repeat from * to end of row. 38 stitches decreased.
Knit 7 rows, or 1 inch.
Decrease Row 2: *K2, k2tog, repeat from * to end of row. 38 stitches decreased.
Knit 7 rows, or 1 inch.
Decrease Row 3: *K1, k2tog, repeat from * to end of row. 38 stitches decreased.
Knit 5 rows.
Decrease Row 4: *K2tog, repeat from * to end of row. 38 stitches remaining.
Knit 5 rows.
Decrease Row 5: *K2tog, repeat from * to end of row. 19 stitches remaining.
Repeat Row 5. 9 stitches remaining.
I-CORD STEM
Stem Row 1: *K2tog, k1, repeat from * to end of row. 6 stitches remaining.
Transfer stitches to one double-pointed needle. Knit I-cord for three rows or desired length.
What is an I-cord?
Bind off; cut a tail long enough to weave in easily, about 8 inches.
Try it on!