Measurements
To fit foot
7, 7¾, 8½ inches

Each pamphlet has a different set of recommended yarns. The following are from the Studley version.

Materials
STUDLEY Double Knittings
Tricel/Nylon Crepe
White 4, 4, 4 balls
Serenade
White 4, 4, 5 balls
Super Pure New Wool
White 4, 4, 5 40 gram balls
Petspun Nylon
White 4, 4, 5 balls
Swiss Nylon
White 4, 4, 5 balls
Studleyknit
White 4, 4, 5 balls
Superwash (machine washable)
White 4, 4, 5 balls
Supreme
White 4, 4, 5 balls
Stitch holders.