For the first time in Japan, MONSTROUSA is launching a new apparel collection featuring genuine ultra monster leather in Tokyo. This collaboration with KAIJU LEATHER WORKS introduces unique clothing inspired by iconic Ultraman monsters like DADA, Eleking, and Alien Mefilas.
Check the limited pop-up event from August 5 to 11 and prices starting at ¥18,700 (tax included) listed below before you visit Hankyu Men’s Tokyo.
About the KAIJU LEATHER WORKS × MONSTROUSA Collaboration
MONSTROUSA, an apparel brand born from a costume design company based in Setagaya, Tokyo, has teamed up with KAIJU LEATHER WORKS to create a groundbreaking collection using rare monster leather. The collection features pieces inspired by Ultraman series monsters such as DADA, Eleking, and Alien Mefilas, transforming this extraordinary material into wearable everyday fashion.
This collaboration offers a fresh experience of wearing and carrying the essence of legendary monsters through finely crafted apparel, blending art and craftsmanship. Items include hoodies, trainers, long-sleeve T-shirts, jackets, and handbags, some available by custom order.
Highlights
- Prime Mutate Hoodie “DADA” feat.KLW ¥198,000 (made to order)
- Prime Mutate Hoodie “Eleking” “Alien Mefilas” feat.KLW ¥198,000 (made to order)
- Shishu Prime Trainer “DADA” feat.KLW ¥25,300 (tax included)
- Shishu Prime Trainer “Alien Mefilas” feat.KLW ¥25,300 (tax included)
- Prime Trainer “DADA” feat.MonkeyDesign & KLW ¥26,400 (tax included)
- Shishu Heavy Long-T “Eleking” feat.KLW ¥18,700 (tax included)
- Prime Patch Jacket feat.KLW ¥39,600 (tax included)
- Prime Handbag feat.KLW available for custom order at the event
- Exclusive live print customization and a lottery with one-of-a-kind prizes crafted by costume artisans
Event Details







| Item | Details |
|---|---|
| Name | KAIJU LEATHER WORKS × MONSTROUSA Ultra Monster Leather Apparel Collection |
| Menu / items | Prime Mutate Hoodie “DADA” feat.KLW; Prime Mutate Hoodie “Eleking” “Alien Mefilas” feat.KLW; Shishu Prime Trainer “DADA” feat.KLW; Shishu Prime Trainer “Alien Mefilas” feat.KLW; Prime Trainer “DADA” feat.MonkeyDesign & KLW; Shishu Heavy Long-T “Eleking” feat.KLW; Prime Patch JKT feat.KLW; Prime Handbag feat.KLW |
| Location | Hankyu Men’s Tokyo |
| Address | 2-5-1 Yurakucho, Chiyoda-ku, Tokyo |
| Period | August 5, 2026 (Wed) – August 11, 2026 (Tue) |
| Release date | August 5, 2026 |
| Price | ¥18,700 – ¥198,000 (tax included) |