US designer and developer of athletic footwear K-Swiss Inc. has reported lower earnings for the first quarter ended March 31.

Net earnings decreased 3.7% to $24.91 million compared with $25.86 million in the prior-year period. Total worldwide revenues decreased 2.1% to $149. million compared with $153.14 million in the prior-year period. Domestic revenues decreased 12.1% to $103.38 million, whilst international revenues increased 31.1% to $46.6 million.

Steven Nichols, chairman of the board and president, stated, "The first quarter results continue to reflect the negative trends we have been experiencing in our domestic business as the decline in domestic revenues and backlog more than offset the 31% increase in revenues and the 51% increase in the backlog we generated in our international business.”

K-Swiss Inc. designs, develops and markets athletic footwear for high performance sports use, fitness activities and casual wear under the K-Swiss brand. The company also designs and manufactures footwear under the Royal Elastics brand. Royal Elastics produces slip-on, laceless footwear.