Zumiez Inc. announced that total net sales for the five-week period ended June 30 increased 18.0 percent to $51.3 million, compared to $43.5 million for the five-week period ended July 2, 2011.

The company's comparable store sales increased 8.2 percent for the five-week period on top of a comparable store sales increase of 9.8 percent in the year-ago period.