Footwear manufacturer Wolverine World Wide Inc today posted a 7.1 per cent year-on-year climb in first quarter net income as it enjoyed higher margins on its major brands. The Michigan based-company, which produces brands including Hush Puppies, Merrell, and Bates, said net income was $6.4 million, or 15 cents a share, in the quarter, to $6m, or 14 cents a share, in the year-ago period.