The North Face advertisement still featuring Brand Ambassador Cha Eunwoo [Photo Source: North Face Website] Real winter has arrived, and with brand ambassador Cha Eunwoo leading the trend, The North Face puffers have established themselves as the "Nation's Puffer," causing massive sell-out frenzies. The "Ventus Jacket," released in September, sold out in about 40 minutes despite a purchase limit. Afterward, it traded for more than double its release price on resale platforms.