Clothing producer Gerry Weber International AG on Thursday posted a 15 per cent year-on-year climb in first half net profit to 10.2 million euros and a seven per cent jump in sales to 192.6 million euros. The company said in a statement its profit was also boosted by a lower tax rate and added its earnings before tax and interest climbed to 17.9 million euros from 16.8 million euros in 2001.