See the SMILES OF INDIGO HAT pattern here

DROPS design: Pattern me-115

Yarn group B

NECK WARMER:
Size: S/M – L/XL
Measurements: Circumference: 72-80 cm / 28½“-31½’’ Height: approx. 25-28 cm / 9 3/4”-11’’
Materials:
DROPS MERINO EXTRA FINE from Garnstudio (belongs to yarn group B)
150-200 g color 23, gray blue

Piece can also be crochet with yarn from:
“Alternative yarn (yarn group B)” - see link below.

DROPS CROCHET Hook size 4 mm / G/6 - or size needed to get 20 double crochets x 10 rows = 10 cm / 4’’ in width and 10 cm / 4’’ vertically. Diagram A.1 measures approx. 4 cm / 1½’’ in width.