Canadian yogawear brand lululemon athletica has posted improved financial results for the second quarter ended August 1.

Net revenue for the quarter increased by 55.8% to $152.2 million from $97.7 million during the second quarter of fiscal 2009, while comparable store sales increased by 31%.

Gross profit for the quarter increased by 77.8% to $80.3 million, and as a percentage of net revenue gross profit increased to 52.8% from 46.2% during the same quarter last year.

Net revenue for the first two quarters grew 61.9% to $290.5 million from $179.4 million during the same period last year. Net revenue was $245 million, up 55.1% from $158 million in the first two quarters of fiscal 2009.

Gross profit for the first two quarters increased by 92.9% to $154.7 million from $80.2 million and, as a percentage of net revenue, gross profit increased to 53.2% from 44.7% during the corresponding period a year earlier.

CEO, Christine Day, said: “Our strong sales momentum reflects increased brand awareness driven by the strength of our product innovation, guest experience and community engagement. We achieved $1,532 in sales per square foot for the second quarter driven by the exceptional performance of our newest stores. We are intently focused on our existing growth strategies which include fueling our rapidly growing ecommerce business and leveraging our showrooms into 20 to 25 store openings in 2011.”