As Tokyoites swelter in 95-degree heat and 80 per cent humidity – and companies are forced to cut back on the air-conditioning due to prices inflated by the Iran war – the salarymen, Japan’s army of traditionally sober-suited office workers, have taken the drastic step of going ‘cazh’. This means not just short-sleeved, open-necked shirts but, at the

Japan urges office workers to wear shorts as extreme heat and new ‘cruelly hot day’ alerts grip the nation, expanding its Tokyo Cool Biz campaign.

As extreme summer heat grips Japan's capital, Tokyo has encouraged male office workers to wear shorts to stay cool. However, the initiative has drawn...