From the Knit Rowan website:
Knit this mens basket stitch sweater from Rowan Knitting and Crochet Magazine 56, a design by Marie Wallin using the ever popular Felted Tweed (Wool and Alpaca). With rolled collar and set in sleeves, this knitting pattern is for the intermediate knitter.

Finished chest width dimensions:
49.5: 53.5: 56: 59.5: 60.5: 64: 66.5 cm
19½: 21: 22: 23½: 24: 25: 26 inches

Yarn Information:
A - Seafarer 170
4, 5, 5, 6, 6, 6, 6 skeins
764, 955, 955, 1146, 1146, 1146, 1146 yards

B - Seasalter 178
4, 5, 5, 6, 6, 6, 7 skeins
764, 955, 955, 1146, 1146, 1146, 1337 yards

C - Maritime 167
4, 4, 5, 5, 5, 5, 6 skeins
764, 764, 955, 955, 955, 955, 1146 yards

D - Scree 165
3, 3, 4, 4, 4, 4, 4 skeins
573, 573, 764, 764, 764, 764, 764 yards

Gauge notes:
Yarn is held double throughout.