Is Zpacks PFAS-free?
Across 17 graded products, Zpacks averages F (23/100). 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
Zpacks
Merino Wool Ultralight Sleeping Bag Liner
Merino wool, no applied water-repellent coating mentioned
Lower concern, merino wool liner with no reported water-repellent treatment is unlikely to contain PFAS.
⚠Risky category by default
Zpacks
Plex Solo Tent 1P UL Backpacking Shelter
Dyneema polyethylene fabric with proprietary waterproof coating
Skip until Zpacks discloses waterproof treatment chemistry, ultralight tents routinely use PFAS-based water-repellent coating coatings.
⚠Waterproof or stain-proof treatment
Zpacks
Ultralight 1 Person Tent
Cuben Fiber (proprietary laminate film)
Ultralight tent fabric likely contains PFAS-based water-repellent coating; brand makes no public disclosure, moderate risk.
⚠Waterproof or stain-proof treatment
Zpacks
Duplex Lite Tent
Proprietary DCF (Dyneema composite fabric) with unspecified waterproof coating
Ultralight tent with unknown water-repellent coating, lower certainty on PFAS risk due to lack of transparency.
⚠Waterproof or stain-proof treatment
Zpacks
Ultralight Freestanding Two Person Tent
Polyester (DCF™) with water-repellent coating
High PFAS risk due to standard water-repellent coating treatment; no transparency from brand.
⚠Waterproof or stain-proof treatment
Zpacks
Duplex Tent
Dyneema polyethylene ripstop fabric with water-repellent coating (unspecified)
Skip until Zpacks discloses water-repellent coating treatment chemistry or commits to PFAS-free.
⚠Waterproof or stain-proof treatment
Zpacks
Pivot Solo Tent
Dyneema composite fabric (polyethylene); waterproof coating unspecified
Skip until Zpacks clarifies waterproof coating chemistry, silence on PFAS in ultralight gear is a red flag.
⚠Waterproof or stain-proof treatment
Zpacks
Pivot Duo Tent
Ripstop nylon with water-repellent coating (type unspecified)
Skip until brand clarifies water-repellent coating chemistry; tent waterproofing often hides PFAS.
⚠Waterproof or stain-proof treatment
Zpacks
Altaplex Pro Tent
Dyneema composite fabric (UHMWPE) with unknown waterproof coating
Skip until brand discloses coating chemistry, tent waterproofing is a common PFAS application.
⚠Waterproof or stain-proof treatment
Zpacks
Pivot Trio Tent
Dyneema fabric with water-repellent coating (unspecified)
Lower-confidence buy; ultralight shelter with unknown water-repellent treatment raises PFAS risk that the brand won't clarify.
⚠Waterproof or stain-proof treatment
Zpacks
Zip Around Sleeping Bag
Synthetic ripstop nylon with water-repellent coating (water-repellent coating) coating
Zpacks does not disclose water-repellent coating treatment chemistry; moderate caution warranted for water-resistant sleeping bags.
⚠Waterproof or stain-proof treatment
Zpacks
Mummy Hooded Sleeping Bag
Nylon taffeta outer with synthetic insulation; water-repellent coating finish unspecified
Moderate risk: water-repellent coating-treated nylon shell likely contains PFAS; no brand disclosure or third-party verification.
⚠Waterproof or stain-proof treatment
Zpacks
Onbe Person Sleeping Bag
Nylon ripstop with water-repellent coating (unspecified)
Skip until Zpacks discloses or tests their water-repellent coating treatment.
⚠Waterproof or stain-proof treatment
Zpacks
Solo Quilt One Person Quilt
Nylon water-repellent coating-coated outer shell
High uncertainty, Zpacks does not disclose water-repellent coating chemistry; many outdoor quilts use fluorocarbon-based water repellency.
⚠Waterproof or stain-proof treatment
Zpacks
2 Person Backpacking Quilt
Nylon/polyester shell with water-repellent coating water-repellent coating
Skip or contact Zpacks directly, silent on PFAS in water-resistant gear.
⚠Waterproof or stain-proof treatment
Zpacks
Zip Together Sleeping Bags
Nylon ripstop fabric with water-repellent coating
Skip until brand discloses water-repellent coating chemistry; waterproof outdoor gear commonly uses PFAS.
⚠Waterproof or stain-proof treatment
Zpacks
Exped Terra Sleeping Bag
Polyester shell with water-repellent coating (type unspecified)
Skip until Zpacks discloses water-repellent coating chemistry, sleeping bags commonly use PFAS water treatments.
⚠Waterproof or stain-proof treatment
Every grade uses the same public rubric. How grades work →