Is Sierra PFAS-free?
Across 16 graded products, Sierra 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 Backcountry Bed Duo Sleeping Bag
Polyester with water-repellent coating (water-repellent coating) treatment
Skip until Sierra discloses water-repellent coating chemistry; legacy sleeping bags commonly use PFAS water treatments.
⚠Waterproof or stain-proof treatment
Sierra
DaKine Moreno Envelope Sleeping Bag
Polyester shell with water-repellent coating water-resistant treatment (type unspecified)
Mid-risk; water-repellent coating on outdoor gear commonly contains PFAS, brand silence is the red flag.
⚠Waterproof or stain-proof treatment
Sierra
Designs Nitro Sleeping Bag
nylon shell with water-repellent coating treatment (type unspecified)
Skip until Sierra Designs discloses water-repellent coating chemistry or switches to PFAS-free treatments.
⚠Waterproof or stain-proof treatment
Sierra
Sleeping Bag 40 Degree Camper - Gray/Green, 32 in X 82 in
polyester shell with water-repellent coating; synthetic fill
Skip until water-repellent coating chemistry is confirmed, silent on PFAS is a red flag for outdoor gear.
⚠Waterproof or stain-proof treatment
Sierra
Black Sierra Sleeping Bag
Polyester shell with water-repellent coating (type unspecified)
Skip until Sierra discloses water-repellent coating chemistry; sleeping bags typically use PFAS water-repellents.
⚠Waterproof or stain-proof treatment
Sierra
Designs Synthesis Sleeping Bag
Synthetic shell with water-repellent coating finish; polyester insulation
Skip until Sierra discloses water-repellent coating chemistry or switches to PFAS-free treatments.
⚠Waterproof or stain-proof treatment
Sierra
Women's Siku Down Bag
down insulation, likely water-repellent coating-treated shell fabric
Skip until Sierra discloses water-repellent coating chemistry; down bags typically use fluorinated water repellents.
⚠Waterproof or stain-proof treatment
Sierra
Designs Get Down 550F 35 Degree Sleeping Bag
Down insulation with water-repellent coating-treated nylon shell
Downside risk: sleeping bags routinely use PFAS-based water-repellent coating coatings; Sierra's silence is typical but concerning.
⚠Waterproof or stain-proof treatment
Sierra
Designs Fern Canyon 4 Tent
Polyester tent fabric with water-repellent coating (water-repellent coating) coating
Skip unless Sierra discloses water-repellent coating chemistry, waterproof tents commonly use PFAS-based treatments.
⚠Waterproof or stain-proof treatment
Sierra
Designs Clip Flashlight 2 Person Backpacking Tent
Nylon fabric with water-repellent coating (water-repellent coating) finish
Moderate concern, backpacking tent with unspecified water-repellent coating; skip if PFAS-free alternatives available.
⚠Waterproof or stain-proof treatment
Sierra
Designs Alpenglow 6 Tent
Polyester tent fabric with water-repellent coating (water-repellent coating) coating
Skip until Sierra Designs discloses water-repellent coating chemistry, waterproof tents commonly use PFAS.
⚠Waterproof or stain-proof treatment
Sierra
Designs Full Moon 2 Tent
Polyester ripstop with water-repellent coating (water-repellent coating) coating
Skip until Sierra discloses water-repellent coating chemistry, traditional tent coatings often contain PFAS.
⚠Waterproof or stain-proof treatment
Sierra
Designs High Route 1P Backpacking Tent
Nylon/polyester fabric with water-repellent coating (water-repellent coating) coating
Skip until Sierra confirms water-repellent coating chemistry or discloses PFAS absence.
⚠Waterproof or stain-proof treatment
Sierra
Designs Nomad 6-Person Tent
Polyester fabric with water-repellent coating (water-repellent coating) treatment
Skip until Sierra Designs discloses waterproof treatment chemistry.
⚠Waterproof or stain-proof treatment
Sierra
Designs Meteor Lite 2 Tent
Nylon/polyester ripstop with unspecified water-repellent coating
Skip or contact Sierra for water-repellent coating details; waterproof tents typically use PFAS-based treatments.
⚠Waterproof or stain-proof treatment
Sierra
KingCamp Monza 3 Light Waterproof Tent
Polyester tent fabric with waterproof coating (type unspecified)
Skip or contact brand for coating chemistry, waterproof tents commonly use PFAS-based water-repellent coating treatments.
⚠Waterproof or stain-proof treatment
Every grade uses the same public rubric. How grades work →