Vinchy AI Review · Jeans

1178-ID Indigo x Black Sashiko Denim

Pure Blue Japan's jeans release enters Vinchy's AI lab for a closer look at fabrication, fit, and care notes.

Tagged at $345, quality lands at 100/100, comfort at 70/100, and sustainability at Not Available for discerning shoppers.

Price · $345
Quick take: 1178-ID Indigo x Black Sashiko Denim from Pure Blue Japan delivers 100/100 craftsmanship, 70/100 comfort, and Not Available sustainability for jeans seekers.
  • Brand · Pure Blue Japan
  • Category · Jeans
1178-ID Indigo x Black Sashiko Denim hero visual

AI scorecard

What matters most for shoppers researching this piece right now.

Verdict: 1178-ID Indigo x Black Sashiko Denim by Pure Blue Japan balances 100/100 build, 70/100 wearability, and Not Available responsibility—solid for jeans seekers wanting a rounded profile.
100 Quality

Craftsmanship, stitching, and long-term durability.

70 Comfort

Movement, breathability, and day-long wear.

Not Available Sustainability

Environmental impact and responsible sourcing.

Brand Pure Blue Japan
Price $345

Attribute deep dive

We break down what drove each score so you can weigh trade-offs.

Quality Analysis 100/100

This denim is built to last, featuring a medium-weight Japanese sashiko fabric and robust construction details like chain-stitched hems and hidden copper rivets on the back pockets, ensuring excellent longevity and resistance to wear. The use of custom branded nickel buttons further reinforces the garment's quality and durability.

Comfort Assessment 70/100

The 100% cotton fabric is described as medium-weight, which suggests a standard level of comfort, but the lack of stretch or other positive comfort features means the fit will be rigid.

Sustainability Impact Not Available

No sustainability indicators are present in the text, which describes the garment's material (100% cotton), construction, and dyeing process (sulfur-dyed). Therefore, a default score of 101 is assigned.

Measurement breakdown

Measurements across available sizes.

SizeWaistThighKneeLeg OpeningInseamRise
3592.1 cm68.6 cm25.8 cm22.6 cm85.1 cm30.5 cm
32
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31
Find out your size. Add your body measurements in the Vinchy app to see which size fits you best.
38
Find out your size. Add your body measurements in the Vinchy app to see which size fits you best.
30
Find out your size. Add your body measurements in the Vinchy app to see which size fits you best.
36
Find out your size. Add your body measurements in the Vinchy app to see which size fits you best.
33
Find out your size. Add your body measurements in the Vinchy app to see which size fits you best.
34
Find out your size. Add your body measurements in the Vinchy app to see which size fits you best.

Garment details

Need-to-know info pulled from the retailer’s description, sizing notes, and care callouts.

Pure Blue Japan's sashiko denim is custom woven using a jacquard weave process, offering a medium-weight fabric with a pronounced running stitch texture. Produced in small batches, the denim is sulfur-dyed, allowing it to fade and develop a unique patina over time. Crafted in a classic five-pocket silhouette, the jeans are finished with custom nickel buttons, a deerskin leather patch, and Pure Blue Japan's signature indigofera leaf embroidery.

Medium-weight Japanese sashiko stitch denim fabric Indigo warp, black weft The "Relaxed Tapered" fit from Pure Blue Japan is designed with additional room in the top block and thighs and a strong taper from the knee down Signature Pure Blue Japan leaf embroidery on back right pocket Deerkskin leather patch

Custom branded nickel button fly Hidden back pocket copper rivets Raised belt loops Chain stitched hems 100% cotton Made in Japan

Need-to-know
  • Brand: Pure Blue Japan
  • Category: Jeans
  • Price: $345
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