PFAS score
Sierra · Camping Tents & Tarps
Sierra Designs Alpenglow 6 Tent
Skip until Sierra Designs discloses water-repellent coating chemistry, waterproof tents commonly use PFAS.
The Sierra Designs Alpenglow 6 is a polyester tent with a water-repellent coating, but Sierra Designs does not publicly disclose the specific water-repellent coating chemistry used.
Still want this one anyway? Check the price on Amazon. We’d swap it.
Material
Polyester tent fabric with water-repellent coating (water-repellent coating) coating
Brand disclosure
Brand is silent on PFAS
Lab data
No public lab test
Why this grade
Waterproof / stain-resistant treatment
water-repellent coating treatments have historically used PFAS.
Category baseline
clothing is a category where PFAS exposure is more common.
No PFAS disclosure
No public statement about PFAS in this product.
What we don’t know
This grade is a model-based estimate from public materials, coatings, and brand disclosure at 45% confidence. It is not a lab result.
No independent PFAS lab test is on record for this exact product. A lab test could move the score in either direction.
The brand has not made a specific, verifiable PFAS-free statement, so part of this score reflects that missing disclosure rather than a confirmed material.
Formulations and coatings change between production runs. Always check the current label before buying.
More camping tents & tarps grades
How we score: every product runs through the same public 0–100 rubric based on materials, coatings, brand disclosure, lab findings, and recalls. See the full methodology → Spotted a mistake? Report an error.