This crochet cap is worked from the top down, and made to fit very snug.

crochet hook: N (10mm)

yarn: Reynolds Blizzard
        (one ball any color and scraps
          of contrast color)

OR: Rowan Big Wool

Abbreviations:
ch (chain)
st (stitch)
sl st (slip stitch) 
sc (single crochet)
beg (beginning)
join (join with sl st)

CROCHET IN A ROUND, do not turn at end of rounds:

start: ch 5, join with sl st to form ring
.

round 1:  ch 1, 1 sc in same ch, 2 sc in each ch around, join to beg

NOTE: now work all sts in backloop of each sc
round 2:  ch 1, 1 sc in same, 2 sc in each sc around, join to beg

round 3:  ch 1, 1 sc in each of next 2 sts, 2 sc in next, *1 sc in each of next 3 sts, 2 sc in next* around,  join to beg

round 4:  ch 1, 1 sc in each of next 4 sts, 2 sc in next, *1 sc in each of next 5 sts, 2 sc in next* around, 1 sc in last,  join to beg

all next rounds:  ch 1, 1 sc in each st around, join to beg
work as many rounds as you want your hat's length to be

last round:  cut main color, join new color, work one round of sc for the contrast edge

Turn hat inside out, crochet a flower and sew to edge of hat.

can also be worked with Rowan Big Wool -- to get the flower pattern, click here

.