California-based lifestyle footwear company Skechers USA, Inc. has reported improved financial results for its first quarter ended March 31.

Net sales rose 24.3% to $344.9 million compared with $277.6 million for the first quarter of 2006. Net earnings improved to $23.9 million from $16.6 million. Gross profit for the first quarter was $149 million compared with $118.4 million.

According to the company, new brands such as Skechers Cali, Zoo York, Cali Gear by Skechers and Avirex all performed well during the quarter.

The company now expects second quarter net sales to be in the range of $350 million to $360 million.