Popped collar worn by Duchess of Sussex and Rama Duwaji is rising in popularity, with sales at John Lewis up 1,000% Popped collar worn by Duchess of Sussex and Rama Duwaji is rising in popularity, with sales at John Lewis up 1,000% Shoppers are avidly searching for jackets that cover half your face – so much sales are up 1,000% year on year at John Lewis . The funnel-neck jacket is boxy, generously cut and comes with a permanently popped collar, between 9cm and 14cm high running from clavicle