Is Sierra Designs PFAS-free?
Across 8 graded products, Sierra Designs averages F (20/100). On disclosure, the brand says nothing publicly about PFAS. None of its products grade C or better yet. Grades are model-based estimates, not lab results.
Graded and flagged D and F, we’d swap these
Sierra Designs
Meteor Lite 3-Person Tent
Nylon fabric with water-repellent coating (water-repellent coating) coating
Skip until Sierra Designs discloses or certifies their water-repellent coating treatment, waterproof tents commonly use PFAS.
⚠Waterproof or stain-proof treatment
Sierra Designs
Clip Flashlight 2 Person Backpacking Tent
Polyester ripstop/nylon fabric with water-repellent coating (water-repellent coating) coating
Moderate concern, tent fabrics commonly use fluorinated water-repellent coating coatings; no disclosure from Sierra Designs.
⚠Waterproof or stain-proof treatment
Sierra Designs
High Side 1-Person Tent
Nylon ripstop with unspecified waterproof coating
Skip until Sierra Designs discloses waterproofing chemistry.
⚠Waterproof or stain-proof treatment
Sierra Designs
Alpenglow 6 Tent
Nylon ripstop with unspecified water-repellent coating (water-repellent coating) coating
High uncertainty, tent waterproofing often uses PFAS; Sierra Designs provides no coating disclosure.
⚠Waterproof or stain-proof treatment
Sierra Designs
Full Moon 2 Tent
Nylon ripstop tent fabric with water-repellent coating (water-repellent coating) coating
Skip until Sierra Designs discloses water-repellent coating chemistry or commits to PFAS-free treatments.
⚠Waterproof or stain-proof treatment
Sierra Designs
High Route 1P Backpacking Tent
Nylon ripstop fabric with water-repellent coating (water-repellent coating) treatment
Skip unless Sierra Designs discloses water-repellent coating chemistry; tent waterproofing often uses PFAS.
⚠Waterproof or stain-proof treatment
Sierra Designs
Nomad 6-Person Tent
Polyester tent fabric with water-repellent coating (water-repellent coating) coating
Skip or contact Sierra Designs directly to confirm PFAS-free water-repellent coating treatment before buying.
⚠Waterproof or stain-proof treatment
Sierra Designs
Clearwing 3-Person Tent
polyester fabric with water-repellent coating (water-repellent coating) coating
Skip until Sierra Designs discloses their water-repellent coating chemistry, waterproof tents commonly use PFAS.
⚠Waterproof or stain-proof treatment
Every grade uses the same public rubric. How grades work →