Safe to wear, but rough on the environment.
↳ Safe to wear; production isn't clean — donate when done.
Why this grade?
This product scored 61/100 based on its composition of 70% Cotton, 30% Polyester. Blended from 70% Cotton, 30% Polyester — the overall score is a weighted average based on each material's proportion.
C (55-69): Average — typical blend, reasonable for everyday wear.
Average quality, high synthetic content
Decent for everyday wear, but the synthetic content means microplastic shedding and it won't biodegrade. Consider natural alternatives for your next purchase.
Every wash of synthetic fabric releases up to 700,000 microplastic fibers into waterways. Use a Guppyfriend bag to catch them.
This fabric will take 200+ years to decompose. That means a shirt you buy today will still exist in the year 2226.
Synthetic fabrics can contain BPA, which mimics estrogen. Studies have found BPA transferring to skin through sweat contact.
Biodegradability
Not BiodegradableMaterials will persist in the environment for decades.
Health & environmental impact →Health Impact
Microplastic shedding · skin-contact synthetic load · likely chemical treatments
Low health impact — predominantly natural fibers with no major treatment flags.
700,000 fibers/wash
30% synthetic
Antimony
- Antimony (trace): Virgin polyester contains trace antimony from PET production. Recycled polyester reduces but does not eliminate it.
Care Guide
Best For
Good comfort (70) and care ease (80) for casual wear
Good durability (68) and comfort (70) for office wear
Good comfort (70) and breathability (69) for sleeping
Good durability (68) and breathability (69) for outdoor activities
Better Alternatives
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Mate the Label
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