King Charles sparked a sweet fan reaction on Thursday when he paid a visit to SeAH Wind's offshore turbine factory in Middlesbrough.
For the wintry outing, His Majesty, 76, adhered to strict safety measures and stepped out wearing a velcro high-vis jacket and a gleaming white hard hat. He wore the safety gear layered over his smart winter longline coat crafted from caramel-hued wool.
Ever the thrifty royal, Charles also rewore his 'Cat and Owl' printed silk tie from Hermès - a firm favourite in his wardrobe.
The plant, located in Teesside, manufactures 120m long turbine bases and is the largest of its kind in the world, spanning a whopping 14 football stadiums.
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During his visit, the monarch was shown a calibration roll machine which shapes the steel sheets into cylinders as part of the manufacturing process.
His new look prompted a flurry of comments on social media, with one writing: "It's the high-vis vest that does it for me," while a second noted: "I love a man in a hard hat."
This isn't the first time that Charles has put safety first during royal engagements. Back in 1978, the then-Prince Charles donned a flaming red hard hat as he toured a steel plant in Caracas, Venezuela.
In stark contrast to his typically dapper aesthetic, Charles also opted to wear a stone-hued utilitarian outfit with rolled-up sleeves.
Other members of the British family have also followed suit…
The Princess of Wales looked the part in 2018 as she stepped out to visit the Northern Spire, a new bridge over the River Wear in Sunderland.
Eschewing her typically sleek style, Princess Kate spruced up her sophisticated forest green coat with a lime-hued high-vis jacket, a pair of slender safety goggles and a white hard hat. It's giving construction chic!
Despite temperatures soaring across the UK, King Charles continued working hard, and during a St James's Palace reception, he battled the heat in the smartest way