Each pamphlet has a different set of recommended yarns. The following are from the Peter Gregory and Loweth version.

Materials
Hat and Gloves
Peregrine Courtelle DK 100g balls
Colour A 1 1 1 ball
Colour B 1 1 1 ball
Pure New Wool DK 50g balls
Colour A 1 1 2 balls
Colour B 2 2 3 balls
LOWETH Special DK 100g balls
Colour A 1 1 1 ball
Colour B 1 1 1 ball
LOWETH Olympus Knit & Crochet DK 100g balls
Colour A 1 1 1 ball
Colour B 1 1 1 ball.