Sumigi
4.4
(85 reviews)
Our Sustainability Evaluation
5.5/7.0
excellent
Planet (3.0/3.0 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 (0.5/1.5 pts)
+0.5
+0.5
+0.5
Sumigi combines two Japanese traditions: Sumi (ink/charcoal) dyeing and Loopwheel knitting. The result is a 100% natural, antibacterial t-shirt that is designed to last for years, defying the 'disposable' nature of basics.
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
Provides simple t-shirts made with organic cotton in limited, elegant supply for men and women.
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