There is a choice of a crew or a polo neckband.

Measurements
To fit chest
24, 26, 28, 30, 32 inch
Actual measurement
27, 29, 31, 33, 35 inch
Length from back neck
15½, 17½, 19½, 21½, 23 inch
Sleeve seam
11, 12½, 13½, 14½, 15½ inch

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

Materials
ARAN KNITTING
Maryland Aran Knitting
7, 7, 8, 9, 10 2 oz. balls
Maryland Lightweight Bulky Knit
7, 7, 8, 8, 9 2 oz. balls
Stitch holders
Cable needle.