Kate Middleton.Photo: ANDY STENNING/POOL/AFP via Getty Images

01of 17Kate Middleton.ANDY STENNING/POOL/AFP via Getty ImagesKate Middletonspent an active day on both land and water in the Lake District in September 2021, sporting a helmet for some rock climbing.
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Kate Middleton.ANDY STENNING/POOL/AFP via Getty Images

Kate Middletonspent an active day on both land and water in the Lake District in September 2021, sporting a helmet for some rock climbing.
02of 17Kate Middleton.ANDY STENNING/POOL/AFP via Getty ImagesOn the same day in the Lake District, Kate switched her climbing headgear for a bike helmet!
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On the same day in the Lake District, Kate switched her climbing headgear for a bike helmet!
03of 17Kate Middleton.PHIL NOBLE/POOL/AFP via Getty ImagesThe royal mom returned to her college town in Scotland withPrince Williamin May 2021, where the couple got competition in aland yachting racewith Kate wearing jeans and a yellow helmet.
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Kate Middleton.PHIL NOBLE/POOL/AFP via Getty Images

The royal mom returned to her college town in Scotland withPrince Williamin May 2021, where the couple got competition in aland yachting racewith Kate wearing jeans and a yellow helmet.
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PETER NICHOLLS/AFP/Getty

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The Wimbledon regular was all smiles during a visit to the Lawn Tennis Association at the National Tennis Centre in Oct. 2017. She rocked grey sneakers for the occasion, paired with black and white athletic pants, a polo shirt and a pullover sweater.
06of 17Kate Middleton.Jeff J Mitchell/GettyDuring a Feb. 2019 visit to Northern Ireland, Kate showed off her soccer (AKA football) skills with some youngsters.
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Kate Middleton.Jeff J Mitchell/Getty

During a Feb. 2019 visit to Northern Ireland, Kate showed off her soccer (AKA football) skills with some youngsters.
07of 17Prince William and Kate Middleton.Kelvin Boyes - Pool/GettyWhen competition withPrince Williamheated up, Kate pulled off her puffy jacket to reveal a white sweater.
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Prince William and Kate Middleton.Kelvin Boyes - Pool/Getty

When competition withPrince Williamheated up, Kate pulled off her puffy jacket to reveal a white sweater.
08of 17Chris Jackson/GettyBack in 2012, Kate kept up with the Great Britain field hockey team in a pair of red pants and zip-up hoodie.
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Chris Jackson/Getty

Back in 2012, Kate kept up with the Great Britain field hockey team in a pair of red pants and zip-up hoodie.
09of 17John Stillwell - WPA Pool/GettyEven in the snow, Kate ups her fashion game! She donned bright pants and a white winter jacket paired with black accessories like a hat and gloves for a March 2016 family ski trip in the French Alps.
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John Stillwell - WPA Pool/Getty

Even in the snow, Kate ups her fashion game! She donned bright pants and a white winter jacket paired with black accessories like a hat and gloves for a March 2016 family ski trip in the French Alps.
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And she’s off! Kate wore black and red sneakers to compete in a race againstPrince Williamduring a Team Heads Together London Marathon Training Day at theQueen ElizabethOlympic Park in Feb. 2017.
11of 17Chris Jackson/GettyThe couple’s royal tour to Sweden in Jan. 2018 wasn’t complete until Kate swung a hockey stick in the snow — looking chic in a grey winter hat with a fluffy ball on top and maroon scarf.
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The couple’s royal tour to Sweden in Jan. 2018 wasn’t complete until Kate swung a hockey stick in the snow — looking chic in a grey winter hat with a fluffy ball on top and maroon scarf.
12of 17Kate Middleton.REX/ShutterstockThe royal mom covered up her puffer jacket with a helmet and life jacket while competing in a boat race in Northern Ireland in Feb. 2019.
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Kate Middleton.REX/Shutterstock

The royal mom covered up her puffer jacket with a helmet and life jacket while competing in a boat race in Northern Ireland in Feb. 2019.
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During Kate’s visit to the Land Rover BAR during the America’s Cup World Series in July 2016, she sported a polo shirt and sneakers with bold blue laces.
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Stefan Rousseau - WPA Pool/Getty

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Kate looked ready to play in silver sneakers, athletic pants and a white windbreaker at the Wimbledon Junior Tennis Initiative in Jan. 2018.
16of 17Karwai Tang/WireImageKate stuck to her red and black color scheme for a Nov. 2017 visit to the Aston Villa Football Club.
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Karwai Tang/WireImage

Kate stuck to her red and black color scheme for a Nov. 2017 visit to the Aston Villa Football Club.
17of 17CHRIS JACKSON/AFP/GettySporty and striped! The Duchess of Cambridge looked perfectly polished (yet ready to go) while hosting a Kensington Palace reception for runners from Team Heads Together ahead of the 2017 Virgin Money London Marathon.
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CHRIS JACKSON/AFP/Getty

Sporty and striped! The Duchess of Cambridge looked perfectly polished (yet ready to go) while hosting a Kensington Palace reception for runners from Team Heads Together ahead of the 2017 Virgin Money London Marathon.
source: people.com