Yarn Dyed Knit T-Shirt in Dark Indigo
Pure Blue Japan's shirts release enters Vinchy's AI lab for a closer look at fabrication, fit, and care notes.
Tagged at $150, quality lands at 90/100, comfort at 80/100, and sustainability at 70/100 for discerning shoppers.
- Brand · Pure Blue Japan
- Category · Shirts
AI scorecard
What matters most for shoppers researching this piece right now.
Craftsmanship, stitching, and long-term durability.
Movement, breathability, and day-long wear.
Environmental impact and responsible sourcing.
Attribute deep dive
We break down what drove each score so you can weigh trade-offs.
Quality Analysis 90/100
This Pure Blue Japan t-shirt is built for longevity, evidenced by its construction "Made in Japan on vintage machinery," a hallmark of quality manufacturing. The use of long-staple cotton and genuine indigo dye ensures the fabric is robust and designed to beautifully "fade and transform with wear," indicating a garment intended for years of use.
Comfort Assessment 80/100
The use of 100% long-staple cotton yarn, woven at a slow and irregular rate, suggests a soft, high-quality fabric, though the "tailored fit" might feel slightly restrictive compared to a relaxed cut.
Sustainability Impact 70/100
This garment is made from 100% cotton and dyed with genuine indigo, which is a natural dye that will fade and transform over time, offering a unique patina and encouraging long-term wear. However, the text provides no evidence regarding organic certification, recycled content, or ethical labor practices.
Measurement breakdown
Measurements across available sizes.
| Size | Bust | Shoulder | Sleeve | Length |
|---|---|---|---|---|
| 5 | 114.3 cm | 52.1 cm | 22.2 cm | 69.8 cm |
| 3 | ||||
| 4 | ||||
| 6 | ||||
Gallery
Reference shots help you validate textures, hardware, and proportion before you buy.






Garment details
Need-to-know info pulled from the retailer’s description, sizing notes, and care callouts.
Sewn in Japan on vintage machinery, Pure Blue Japan's signature t-shirts have garnered worldwide acclaim since their introduction over a decade ago. Each t-shirt is woven using long-staple cotton yarn at a slow and irregular rate to give the fabric a varied slub texture reminiscent of the brand's signature denim. This iteration is dyed with genuine indigo for a deep color that will continue to fade and transform with wear. Cut in a tailored fit and designed with a classic crewneck collar and straight hem finish.
Tailored fit Dyed using genuine indigo, will fade with wear Slow weave jersey slub fabric PBJ logo embroidery on bottom seam 100% cotton Made in Japan