Zumiez Inc. announced that total net sales for the four-week period ended Aug. 2, 2014 increased 11.9 percent to $62.8 million, compared to $56.1 million for the four-week period ended August 3, 2013. The company's comparable sales increased 3.5 percnet for the four-week period ended Aug. 2, 2014 compared to a comparable sales increase of 0.8 percent for the four-week period ended August 3, 2013.