One size to fit chest 42-46 inches
Actual chest size: 49.5 inches
Length to back neck: 26.75in
Sleeve seam: 19.75in

The actual directions call for 14 x 2oz hanks of Brora Softspun yarn by Jamieson and Smith which is discontinued. Shetland Aran (98yds per 50g ball) is a reasonable substitute.