Measurements
To fit chest
24, 26, 28, 30, 32, 34 inch
(61, 66, 71, 76, 81, 86 cm)
Length from top of shoulder
13, 15, 17, 18½, 21, 22½ inch
(33, 38, 43, 47, 53, 57 cm)
Sleeve seam
10, 12, 13½, 15, 16, 17 inch
(25.5, 30.5, 34, 38, 40.5, 43 cm)

Each pattern has a different set of recommended yarns. The following is from the Peter Gregory version.

Materials
PETER GREGORY DOUBLE KNITTING
Wool Double Knitting (pure new wool), Super Nylon or Acrylic/Nylon (machine washable)
10, 11, 12, 13, 14, 15 balls or hanks
Stitch holders.