SKU KB52WR52
Era:
2021 / SS21 (Spring–Summer 2021). The product code 311-334117 is documented as the GU × MIHARA YASUHIRO 3-Layer Fabric Mountain Parka, with listings dating it to 2021.

Gender:
Men / Unisex

Color:
Black

Founder / Designer:
Yasuhiro Mihara (Mihara Yasuhiro) — Japanese fashion designer and founder of the MIHARAYASUHIRO label.

Brand Information:
This is a GU × MIHARAYASUHIRO collaboration piece from the 2021 collection. GU officially launched the collaboration in Japan on 5 March 2021, with 33 men’s styles including functional outerwear such as mountain parkas.

The “Good Inspiration MIHARAYASUHIRO” neck label is characteristic of the collaboration. The exact product code shown on the care label, 311-334117, is independently identified as the 3-Layer Fabric MY Mountain Parka.

Type of Garment:

* 3-Layer Fabric Mountain Parka
* Technical Hooded Jacket
* Outdoor / Utility Jacket
* Japanese Designer Collaboration
* Techwear-inspired outerwear
* Full-zip / storm-flap front
* Multi-pocket construction
* Hooded design

Material:
100% Polyester according to the garment label and matching product references. The model uses a 3-layer fabric construction designed for functional outdoor wear.

Tips of Style:
🔥 Best styled as Japanese techwear / minimalist streetwear.

Try pairing it with:

* Black cargo pants
* Wide-leg trousers
* Techwear pants
* Grey oversized T-shirt
* Black hoodie
* Salomon-style trail sneakers
* Nike ACG / outdoor footwear

For a clean Y2K Japanese technical look, keep the entire outfit monochromatic in black, charcoal and grey.

Description:
Rare and highly desirable GU × MIHARAYASUHIRO “Good Inspiration” 3-Layer Fabric Mountain Parka in black, size S.

The jacket features a technical outdoor silhouette with an integrated hood, adjustable drawcords, storm-flap front, multiple utility pockets and contrasting reflective-style details. The distinctive zippered pockets and functional construction give the piece a strong Japanese techwear / outdoor aesthetic.

The back features the inspirational statement:

“NEVER BEND YOUR HEAD. ALWAYS HOLD IT HIGH.”

The inside label confirms Good Inspiration MIHARAYASUHIRO, while the care label shows GU, product code 311-334117 (11-01) and 100% polyester. Matching examples identify this exact code as the GU × MIHARAYASUHIRO 3-Layer Fabric Mountain Parka.

Condition:
9/10– Very Good Condition

Overall appearance is clean and structurally good. Fabric, hood, pockets, zippers and main construction appear intact from the supplied photographs. There are normal signs of previous use and creasing, particularly from storage/wear. No major tears or structural damage are clearly visible.

Conclusion:
⭐ Excellent collectible collaboration piece for Japanese fashion and techwear collectors.

The combination of GU × MIHARAYASUHIRO, the “Good Inspiration” branding, 3-layer technical construction, functional pocket system and 2021 collaboration history makes this much more interesting than a standard GU jacket.