The Californian footwear maker booked a massive sales increase of $2,378 million in 2014, up from $1,846 million the previous year. Gross margin improved by 0.7 percentage points to 45.1 percent. Operating profit soared to $209.1 million compared with $93.6 million in 2013. Net earnings jumped from $54.8 million to $138.8 million. Skechers had some 1,000 single stores at the end of 2014 and intends to increase its retail base to 1,250 outlets through the current year.