Yarn: Blacker Swan Falkland Islands Wool 4-ply (100% Shetland and Merino Wool, 190yds/175m per skein), fingering weight, worked doubled. Shown in Dolphin.
If substituting yarn, choose something without too much variegation in color or texture so that the pattern will show well. And since this is a hat, something with a bit of elasticity and not too much drape will work best.
Gauge: Finished fabric in motif, worked on largest needles: 19sts/24rows per 4”/10cm. Finished fabric in ribbing on smallest needles: 20st/24 rows per 4”/10cm.
Needles: US#6/4mm 16” circular needle, US#7/4.5mm 16” circular needle, and US#8/5mm 16” circular needles and DPNs.
Sizes:
Finished circumference around hat body, worked in motif on largest needles = 19(21)”/48.5(53.5)cm.
Circumference around ribbing, worked in ribbing on smallest needles = 18(20)”/45.5(51)cm.
Hat depth = 9.5”/24cm.
Yardage:
350yds/320m of fingering weight yarn (to hold double) or 175yds/160m of worsted weight yarn.