Color Options G-SERIES Gennaker Shapes Sailcloth options North Snuffer Plus ™ North G-Series G ENNAKERS ™ are made of premium nylon, often North’s own innovative N OR L ON ™ fabrics (see closeup below). For all but the largest boats, .75 oz. cloth is generally used. G-Series Gennakers are also available in 1.5 oz. NorLon, NorLon 250and Norlon 70 in a wide variety of designer colors. Custom artwork and graphics are available through North Sails Graphics. TM