
Blue Blue Japan
4.7
(135 reviews)
Our Sustainability Evaluation
6.0/7.0
excellent
Planet (2.5/3.0 pts)
+1.0
+1.0
+0.5
+0.5
-1.0
Practice (2.0/2.5 pts)
+1.0
+0.5
+0.5
+0.5
-1.0
Circularity (1.5/1.5 pts)
+0.5
+0.5
+0.5
Blue Blue Japan creates clothing that is meant to age. Their use of Natural Indigo means the garment gets better with time, and their Sashiko designs explicitly encourage mending over discarding.
Evaluation updated on November 2025
About Our Sustainability Ratings
We rate businesses from 0-7 points across three pillars: Materials (3.0 max), Business Practice (2.5 max), and Circularity (1.5 max). Our system is fair to businesses of all sizes - no expensive certifications required.
Learn More About Our Rating SystemAbout the Business
Known for its deep indigo-dyed garments, champions traditional Japanese dyeing methods and slow fashion.
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