<!-- canonical: https://www.trendhunter.com/trends/unda -->
<!-- robots: noindex -->

# X-Ray Leather Sandals
Neighborhood and goyemon Released the .unda Collaboration

By Amy Duong | Published 2026-05-26 | Fashion
Source: Trend Hunter, https://www.trendhunter.com/trends/unda
References: [neighborhood.jp](https://www.neighborhood.jp/products/261gugun-fw01)

![X-Ray Leather Sandals](https://cdn.trendhunterstatic.com/thumbs/615/unda.jpeg)

[NEIGHBORHOOD](https://www.trendhunter.com/trends/penton-loafer) and goyemon introduced a new version of the .unda sandal featuring black leather construction and printed anatomical foot graphics across the footbed surface. The collaboration combines goyemon’s traditional setta-inspired .unda silhouette with NEIGHBORHOOD’s monochromatic styling and industrial detailing. A centrally anchored hanao strap sits above the printed footbed, while co-branded woven labels appear near the heel section.

The sandal uses [thick Italian oil-smooth leather](https://www.trendhunter.com/trends/noah-x-island-slipper) across the upper and footbed surfaces alongside textured black sole units. goyemon’s .unda platform combines traditional Japanese setta proportions with [cushioned sneaker-style sole construction](https://www.trendhunter.com/trends/gt2160-sandal) developed around the brand’s “Japanese tradition and cutting-edge technology” design approach. The NEIGHBORHOOD x goyemon .unda sandal releases on May 29 in a single black colorway palette.

Image Credit: goyemon, NEIGHBORHOOD

## Trend Insights (Trend Hunter)

- Score: 5.5/10
- Popularity: 47% | Activity: 41% | Freshness: 78%
- Audience gender: 50% men, 50% women
- Primary generations: Gen Z, Millennial, Gen X
- Top markets: North America, South America, Europe, Asia, Africa

## Categories

[Trend Hunter](https://www.trendhunter.com/trends) > [Fashion](https://www.trendhunter.com/fashion)

## Key Themes

### Why This Trend Is Growing

- **Heritage-tech Fusion Footwear:** The combination of traditional setta silhouettes with cushioned, sneaker-style sole engineering creates opportunities for products that merge artisanal craft with performance-driven materials and construction.
- **Anatomical Graphic Customization:** Printed anatomical foot graphics across the footbed surface point to a trend in visually communicative personalization that could integrate biomechanical data and bespoke fit cues.
- **Monochrome Industrial Minimalism:** A single-color, high-quality leather aesthetic paired with industrial detailing signals demand for refined minimal designs that emphasize material quality and modularity over ornamentation.

### Industries Being Reshaped

- **Footwear and Orthotics:** Convergence of fashion-forward sandals and technical cushioning suggests potential for devices that combine aesthetic appeal with corrective or performance-oriented support.
- **Luxury Leather Goods:** Use of thick Italian oil-smooth leather and premium construction indicates room for innovations in sustainable tanning, traceability, and digital customization within high-end leather categories.
- **Athleisure and Lifestyle Apparel:** The sandal-sneaker hybrid silhouette implies shifting consumer expectations around casual footwear, enabling crossover products that blur sport, comfort, and streetwear segments.

## Related on Trend Hunter

- [Hybrid Trail Running Sandals](https://www.trendhunter.com/trends/running-sandal.md)
- [Reengineered Responsive Running Shoes](https://www.trendhunter.com/trends/hoka-skyward-x-2.md)
- [Everyday Running Shoe Designs](https://www.trendhunter.com/trends/everyday-running-shoe.md)
- [Padded Trail Sneaker Packs](https://www.trendhunter.com/trends/nami-pack.md)
- [Hybrid Moc Sneakers](https://www.trendhunter.com/trends/wave-prophecy-moc-ring.md)
- [Ultra-Modern 3D-Printed Loafers](https://www.trendhunter.com/trends/native-shoes-x-jason-wess-waverly.md)
- [Stealthy Penny Loafers](https://www.trendhunter.com/trends/authentic-loafer.md)
- [Inaugural Running Shoe Designs](https://www.trendhunter.com/trends/while-on-earths.md)
- [Spiked Mule Sneakers](https://www.trendhunter.com/trends/mostro-mule.md)
