Cool Biz campaign encourages male office workers to wear casual clothes, and is expected to rise 63.5 percent to 150.4 billion yen in 2006, said sources.
Taking in to account 7.5 percent increase in average unit price of dress shirts during last three months, consumer expenditure is likely to grow to 14,000 yen this year.
Cool Biz campaign will grow about 50 percent, informed sources.
This campaign will leave prominent effect on retailers as well as apparel and textile manufacturers, they add.