From the designer:

This ladies vest was inspired by flocks of Canadian geese flying overhead in their deep “v” formations. It features a lace version of the stitch pattern at the bottom.

From Infiknit website:

Man’s knitted vest, featuring columns of v’s reminiscent of the flight pattern of Canada Geese migrating in the fall. Ribbed facings and armhole bands. Worked in worsted weight yarn, and sized for 38, 42, 46, 50, 52 inch chest. Yarn requirements in worsted weight yarn at 55yds per ounce.