Are these Kate's favorite boots? Duchess steps out in 12-year-old kicks

The Duchess of Cambridge can wear whatever she wants — which makes it even more amazing that she has been re-wearing the same boots for over a decade!

On Monday, Prince William and his wife, Kate, continued their Canadian tour with a rainy trip to Bella Bella, British Columbia, in the Great Bear Rainforest. The duchess stepped out wearing a tan rain jacket, jeans and a pair of Penelope Chilvers long tassel boots.

REX file; Reuters; EPA
The Penelope Chilvers boots worn by the Duchess of Cambridge in 2004 and 2016.

If these boots look familiar, that's because Kate has pulled these trusty shoes out on many occasions over the past decade. The versatile knee-high boots have a Goodyear Welted Commando rubber sole that makes them perfect for the royal's adventurous lifestyle.

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Prince William, Duchess Kate hear touching tribute to Diana during Canada visit

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Prince William, Duchess Kate hear touching tribute to Diana during Canada visit

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Just this past April, the couple took an hourslong hike to the Tiger's Nest Monastery in Bhutan. For the journey, Kate paired her trusty boots with a crisp linen shirt and a leather vest, making for one chic explorer.

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Catherine, Duchess of Cambridge, arrived in Bella Bella, Canada, on Sept. 25.

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Back in August of 2005, Kate attended the Festival of British Eventing at Gatcombe Park and wore the same boots with a pale blue sweater, collared shirt and a leather hat.

Prince William posed with his wife Catherine, Duchess of Cambridge, in front of the Bhutan's Paro Taktsang Monastery on April 15, 2016.

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And even before that, a year earlier, Kate sat for a formal photo at the Game Fair at Blenheim Palace wearing a button-down shirt, belted green skirt and accessorized the boots with a pair of knee-high socks.

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Kate Middleton attended the Festival of British Eventing at Gatcombe Park on Aug. 6, 2005 in Stroud, England.

Any designer dreams of the duchess wearing their creations just once, so what's it like to have created one of Kate's favorite boots?

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Kate Middleton posted for a photo at Blenheim Palace in Oxfordshire, England, in August 2004.

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Designer Penelope Chilvers told TODAY via email: "(My) footwear is designed for travel and adventure so it makes me very happy to see them being worn how they should be, as her oldest and dearest wardrobe staples."

The boots retail for a cool 475 pounds sterling (roughly $618) — an investment piece that's meant to last for years, as Kate has demonstrated. But if you're hoping to bring some royal style to your own closet at a more affordable price, check out these seven alternatives below.

1. Slouchy Round Toe Boots,$49.99, Target


2. Smarty Riding Boot, $49.99, Payless


3. Julia Brown Mid-Calf Riding Boot, $59.99, Sears


4. G by GUESS Heylow Riding Boot, $69.95, DSW


5. Tasha Tall Boot, $39.99, Payless


6. Kasia Leather Riding Boots, $89.99, Target


7. Brixton Riding Boot, $69.99, Famous Footwear

Famous Footwear