finished measurements:
Scarf: Width: 7” / 18 cm; Length: 63” / 160 cm
Hat: Circumference at widest point: 20” / 51 cm; Length: 7 ½“ / 19 cm
The hat will comfortably stretch to fit heads with a circumference of 20 ½–23” / 52–58.5 cm.

suggested yarn:
Halcyon Yarn Botanica (160 yd / 146 m per 4 oz / 113 g hank; 100% Wool) in #016:
4 hanks for scarf
1 hank for hat
The hat took exactly 1 hank and the scarf took exactly 4 hanks; it is recommended that you purchase an additional hank to allow for swatching and differences in row gauge. One additional hank will be enough to cover both hat and scarf.

needles:
Scarf: Size 6 US / 4 mm needles; size 7 US / 4.5 mm needles
Hat: Size 6 US / 4 mm circular needle, 16” / 40 cm long; size 7 US / 4.5 mm circular
needle, 16” / 40 cm long and needle(s) in preferred style for small circumference knitting in the round
Adjust needle size if necessary to obtain
correct gauge.