Measurements
Width round brim
46, 51, 56 cms (18, 20, 22 ins)

Each pamphlet has a different set of recommended yarns. The following is from the King Cole version.

Materials
KING COLE Aran and Double Knittings
Machine Washable Aran 3, 3, 3 hanks
Grenaran for Aran Type Knitting 3, 3, 3 balls
Bosun Aran 3, 3, 3 balls
Mix ‘n’ Match Double Crepe 2, 2, 2 balls
Careion 4, 4, 5 balls
Speedy 4, 4, 5 balls
Superspun Superwash 4, 5, 5 balls
Pretty Lady 4, 5, 5 balls
Crepe Delite 4, 5, 5 balls
Gren Nylon 4, 5, 6 hanks.