Grundens Brigg 40 rain jacket size medium. Color green. The Brigg 40 jacket is made from a heavy cotton twill base material (4.7 oz. per yard), coated with a specially formulated PVC (10.9 oz. per yard) for a total weight of 15.6 oz. per yard. Features attached hood with drawcord, full cape sleeve design for unrestricted movement, double secure storm flap, chin strap, and reinforced cuffs.