Trump and Putin shake hands in matching blue APEC shirts

Donald Trump and Vladimir Putin shook hands Friday in Da Nang, Vietnam as participants in the Asia-Pacific Economic Cooperation summit met for a group photo.

The two presidents stood next to each other and waved at onlookers as shutters snapped.

Like every other world leader in attendance, Trump and Putin continued one of the annual summit’s odder traditions, ditching neckties and dark suits in favor of matching blue silk shirts.

Trump is rarely photographed in anything other than a suit or a golf shirt.

Donald Trump and Vladimir Putin shook hands Friday in Vietnam at the APEC summit, their first in-person meeting since July in Hamburg, Germany at the G20 summit

Trump ditched his usual suit and tie in favor of a traditional Vietnamese 'ao dai' shirt, chosen by the host country's president

Trump ditched his usual suit and tie in favor of a traditional Vietnamese ‘ao dai’ shirt, chosen by the host country’s president

Could have been worse: In 2004 George W. Bush played along as Chile's leaders asked everyone to wear traditional woven ponchos

Could have been worse: In 2004 George W. Bush played along as Chile’s leaders asked everyone to wear traditional woven ponchos

Every president and prime minister at the Da Nang event played along, although Putin upstaged Trump by wearing a dress shirt and tie that was visible underneath his traditional ‘ao dai.’

Trump, like everyone else, went open-neck casual.

Vietnam President Trần Đại Quang’s team chose the garments, a privilege of host countries that dates back to Bill Clinton at the 1993 APEC summit in Seattle.

That year Clinton gave heads of state matching leather bomber jackets, and some actually wore them.

A year later Indonesia picked up the idea, asking participants to wear traditional patterned batik shirts that some in the U.S. compared to 1960s upholstery.

Bill Clinton gave presidents and prime ministers bomber jackets like his (pictured) in 1993

Bill Clinton gave presidents and prime ministers bomber jackets like his (pictured) in 1993

Indonesia's revenge: Clinton's jackets gave President Suharto (3rd from left) the idea of asking everyone to wear batik shirts, and the tradition was born

Indonesia’s revenge: Clinton’s jackets gave President Suharto (3rd from left) the idea of asking everyone to wear batik shirts, and the tradition was born

It could have been worse for Trump: George W. Bush chuckled along with the crowd as he posed in a red woven Chilean poncho in 2008 at the APEC arrival ceremony.

And in Australia the year before, outback raincoats were the order of the day.

Putin and Barack Obama were the only leaders since Clinton’s launch to take a break from the tradition.

Obama told world leaders in Hawaii six years ago that they didn’t have to play along.

The matching-clothes tradition at APEC summits hasn't always worked out for U.S. presidents; in 2014 Barack Obama participated, earning comparisons with Captain Picard from 'Star Trek'

The matching-clothes tradition at APEC summits hasn’t always worked out for U.S. presidents; in 2014 Barack Obama participated, earning comparisons with Captain Picard from ‘Star Trek’

Last year in Peru the APEC leaders wore matching wool shawls, a more subtle choice than in most other years

Last year in Peru the APEC leaders wore matching wool shawls, a more subtle choice than in most other years

Days after joking that he might pass out ‘flowered shirts and grass skirts,’ Obama explained that he ‘I got rid of the Hawaiian shirts because I looked at pictures of some of the previous APEC meetings and some of the garb that had appeared previously, and I thought this may be a tradition that we might want to break,’

‘I suggested to leaders – we gave them a shirt, and if they wanted to wear the shirt, I promise you it would have been fine. But I didn’t hear a lot of complaints about us breaking precedent on that one.’

In 2014 he endured a wine-colored jacket in China that drew comparisons to Captain Jean-Luc Picard’s uniform in ‘Star Trek: The New Generation.’

Read more at DailyMail.co.uk