Women's hosiery, corsetry and lingerie sales climbed seven per cent in 2001 to £1.8 billion as shoppers bought garments ranging from knickers and bras to camisoles and thongs in record numbers. But it's not just the large traditional players such as M&S and Bhs which enjoyed that growth as they were joined by upscale brands like Agent Provcateur and La Perla. However, while retail sales have soared, manufacturing sales have plunged as the switch to offshore production gathers pace, as a new market study by industry analysts Key Note reveals.