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Elsa Hosk Embraces a Daring Winter Boot With Ugg x Sacai Thigh-high Style at Collaboration Launch Event

The collaborative collection comes out Friday.

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Elsa Hosk, one of the Ugg fall 2025 campaign stars, showed support for the footwear brand on Thursday night in New York City at the Ugg x Sacai launch event held at the Ugg Feel House.

NEW YORK, NEW YORK - OCTOBER 23: Elsa Hosk is seen arriving to the UGG Feel House on October 23, 2025 in New York City. (Photo by Michael Simon/Getty Images for UGG)
Elsa Hosk Getty Images for UGG

Hosk put her stamp of approval on the statement-making thigh-high boot style featured in the collaborative collection between the footwear brand and the Japanese luxury label. The boot takes the classic Ugg look of a suede upper and sheepskin lining and amps it up with extra coverage, showcasing a slightly slouchy shaft reaching well above the knee; the style also features buckles down the back of the shaft. The collaboration, the second between the two brands, mirrors the “Where the Wild Things Are” inspiration of the Sacai fall 2025 collection; additional footwear styles offered from this latest partnership include a loafer and a hiker.

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While potentially an intimidating shoe to some consumers, Hosk demonstrated how the statement boots can be styled. She wore her classic brown version with fitted high-waisted blue jeans and a tucked-in white long sleeve blouse with a deep V-neck. A slender brown belt tied together the ensemble, serving as a tonal accent to the boots.

The Ugg x Sacai launch event took place at the Ugg Feel House, a multisensory community space open to the public from Oct. 24 to 28 and located at 412 West 14th Street in New York City.

NEW YORK, NEW YORK - OCTOBER 23: Elsa Hosk is seen arriving to the UGG Feel House on October 23, 2025 in New York City. (Photo by Michael Simon/Getty Images for UGG)
Elsa Hosk. Getty Images for UGG

Hosk was featured in Ugg’s fall 2025 campaign called “Iconic From the First Step,” which also included Sarah Jessica Parker, Stefon Diggs, Jeremy Scott, Alton Mason, Leah Dou, Rina Sawayama, Lil Cherry, Aweng Chuol, Central Cee and Brian Smith. Gia Coppola lent her directing talent to the campaign.

Find photos of the Ugg x Sacai launch event below.