Which brands are collaborating to release the new innerwear items?

The collaboration is between women's brands Ungrid and MERCURYDUO, and the innerwear brand AMPHI developed by Wacoal Inc.

When and where will the pre-orders for the collaboration items start?

Pre-orders will start on Thursday, March 26th at 1:00 PM on the official online store RUNWAY channel.

Sales will start on Thursday, April 23, 2026, at 3:00 PM on RUNWAY channel, ZOZOTOWN, retail stores nationwide, and Wacoal Web Store.

The items feature a sewn-in peanut-shaped pad that is thicker in the center to create a three-dimensional bust silhouette.

The underbust features a hem specification without elastic, which reduces the appearance of back lines and ensures a comfortable fit.

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Ungrid and MERCURYDUO are releasing collaboration items with AMPHI.

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Q: Which brands are collaborating to release the new innerwear items?: A: The collaboration is between women's brands Ungrid and MERCURYDUO, and the innerwear brand AMPHI developed by Wacoal Inc.
Q: When and where will the pre-orders for the collaboration items start?: A: Pre-orders will start on Thursday, March 26th at 1:00 PM on the official online store RUNWAY channel.
Q: When and where will the general sales of the collaboration items begin?: A: Sales will start on Thursday, April 23, 2026, at 3:00 PM on RUNWAY channel, ZOZOTOWN, retail stores nationwide, and Wacoal Web Store.
Q: What features are included in the pad design of the Ungrid and MERCURYDUO items?: A: The items feature a sewn-in peanut-shaped pad that is thicker in the center to create a three-dimensional bust silhouette.
Q: How does the underbust design of the collaboration items ensure comfort?: A: The underbust features a hem specification without elastic, which reduces the appearance of back lines and ensures a comfortable fit.