A collection collaboration between the “Harry Potter” film series—based on the fantasy novels by British author J.K. Rowling—and GU is scheduled to launch on December 18, 2026.
Inspired by a “Winter at Hogwarts” theme, the collection will feature four styles in total, including a marshmallow-feel lounge set with each house’s emblem patch, a knit cardigan featuring Hedwig Crookshanks, and room socks.
・The theme is “Winter at Hogwarts,” featuring a total of 4 styles of loungewear and room socks
・The Marshmallow Feel Lounge Set with dormitory emblems comes in 4 colors, priced at 3,990 yen (tax included)
・Hedwig/Crookshanks knit cardigans, 3,990 yen (tax included)
・Two types of 2-pair room sock sets, 990 yen each (tax included)
Overview of GU’s “Harry Potter” Collection Launch
GU’s classic winter fluffy loungewear is getting a Harry Potter makeover. The collection features motifs sure to delight fans of the series, including stripes inspired by the Hogwarts school scarf, Harry’s companion Hedwig, and Hermione’s beloved cat Crookshanks.
All characters and elements © & © Warner Bros. Entertainment Inc. Publishing Rights © JKR. (s26)
| Release Date | December 18, 2026 (planned) |
|---|---|
| Where to Buy | GU Stores, GU Online Store |
| Product Lineup | Marshmallow Feel Lounge Set (Long Sleeve)/Fluffy Knit Cardigan/Room Socks 2-Pack A & B |
| Official Website | GU Harry Potter Special Page |
| Official X | GU (@gu_global) |
We’ve previously featured the GU and Harry Potter collaborations on this site, showcasing the collections for November 2024 and November 2025. This release, set for December, features a lineup focused exclusively on loungewear and room socks designed to keep you cozy during winter days spent at home.
Marshmallow Feel Lounge Set (Long-Sleeve) Harry Potter
This unisex lounge set features a striped pattern inspired by the Hogwarts school scarf, adorned with each house’s emblem patch. It comes in four colors—wine, green, gray, and navy—corresponding to the house colors of Gryffindor, Slytherin, Hufflepuff, and Ravenclaw, respectively. It’s designed to retain heat and has a soft, fluffy texture that feels like marshmallows against your skin.
Wine
Green
Gray
Navy
| Price | 3,990 yen (tax included) |
|---|---|
| Size | XS–3XL (Unisex) *XS, XXL, and 3XL are available only at the online store |
| Product Page | GU Online Store |
Fluffy Knit Cardigan: Harry Potter
The navy version features Harry’s companion Hedwig on the back and a design of a letter and Hedwig’s name on the chest. The natural version features Crookshanks on the back and a design of cute paw prints and his name on the chest.
NAVY (Hedwig)
NATURAL (Crookshanks)
| Price | 3,990 yen (tax included) |
|---|---|
| Sizes | XS–3XL (WOMEN) *XS, XXL, and 3XL are available only at the online store |
| Product Page | GU Online Store |
Harry Potter 2-Pair Set of Loose-Fitting Socks
A 2-pair set of loose-fitting socks made from a fluffy material. Pair A features Hedwig and designs symbolizing Harry—his glasses and scar—while Pair B features Crookshanks and the Time-Turner.
A (Hedwig / Glasses and Scar)
B (Crookshanks/Time-Turner)
| Price | 990 yen each (tax included) |
|---|---|
| Size | One size (23–25 cm) |
| Product Page | A/B |
*Product details are subject to change or updates prior to the release date.
*Images may include colors not scheduled for release.
GU “Harry Potter” Collection FAQs
When will it be released?
Scheduled for release on December 18, 2026. It will be available at GU stores and online.
What are the prices?
The Marshmallow Feel Lounge Set and Fluffy Knit Cardigan are 3,990 yen each (tax included), and the 2-pair set of room socks is 990 yen each (tax included).
What are the sizes?
The lounge set and cardigan are available in sizes XS–3XL, with XS, XXL, and 3XL available only at the online store. The room socks are one size (23–25 cm).
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Please check the official website for details.
*Please note that the information in this article may be outdated; we kindly ask that you verify the details on the official website.
All characters and elements © & © Warner Bros. Entertainment Inc. Publishing Rights © JKR. (s26)
