Kate Middleton and Prince William coordinate in burgundy for Boston visit

The Waleses are hitting Boston in burgundy.

Kate Middleton and Prince William got down to business on day two of their Boston visit surrounding the Earthshot Prize, visiting a climate lab and a youth empowerment charity in coordinating shades of maroon.

This morning, the royal couple arrived at Greentown Labs — which bills itself as the world’s largest climate technology startup incubator — with the princess stepping out in a chic pink pussybow blouse and a wide-legged Roland Mouret trouser suit.

Her pale pink top is similar to the blue silk Winser London blouse ($361) she wore for a visit to Northern Ireland this autumn, and along with her crisp maroon trouser suit, she added the burgundy Chanel bag she’s carried on several other occasions.

The royal sported gold-and-diamond hoops by Daniella Draper ($3,100) and burgundy pumps, wearing her hair in loose curls for today’s engagements.

Meanwhile, the Prince of Wales twinned with his wife in a burgundy sweater worn under a dress shirt and tie, adding a sport coat on top for their busy day in Boston.

Outside the building, the royals were presented with a bouquet of flowers by adorable 8-year-old Henry Dynov-Teixeira, who was dressed like a royal guard complete with a black furry hat.

The Waleses met a young fan who recently traveled to London and dressed like a guard for Halloween, according to royal reporter Richard Palmer.

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The couple shared laughs with young Henry and his family.

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The Waleses met a young fan who recently traveled to London and dressed like a guard for Halloween, according to royal reporter Richard Palmer.

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They toured Greentown Labs to learn more about the climate technologies at work.

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Following their visit to Greentown Labs to hear more about innovative environmental solutions, the Waleses headed to Roca, a charity that, according to its website, works with at-risk youth “to address trauma, find hope, and drive change.”

Yesterday, the duo kicked off their three-day Boston trip in style with Middleton wearing an Alexander McQueen suit before changing into a custom coat from the brand and a Burberry plaid dress for an event at City Hall.

Later in the evening, the royal made yet another style switchup, choosing a vintage Chanel blazer to cheer on the Boston Celtics.

Tomorrow, Middleton and Prince William will pay solo visits to Harvard University and the JFK Presidential Library and Museum, respectively — with the day ending in glamorous eveningwear for the Earthshot Prize awards ceremony.