Waterproof Outdoor Accessories, ranked by PFAS safety
14 products graded A to F, safest first. None have earned a C or better yet, so we show the full ranking and the least-concerning options first.
Buyer’s guide
What to look for in waterproof outdoor accessories, and which brands grade best and worst
Graded and flagged D and F, we’d swap these
Sea to Summit
Ultra- Sil Stuff Sack Set
Ultra-Sil nylon fabric, no water treatment applied
Stuff sack with no waterproofing treatment.
⚠Risky category by default
Sea to Summit
Ultra-Sil Pack Cover
nylon with silicone water-repellent coating
PFC-free claim stated. No independent verification available yet.
⚠Waterproof or stain-proof treatment
Sea to Summit
Lightweight Dry Bag Set
Nylon fabric with water-repellent coating waterproof coating
Dry bags use water-repellent coating coatings; PFAS content unclear, brand silent.
⚠Waterproof or stain-proof treatment
Sea to Summit
Ultra- Sil Dry Bag
Silicone-based coated nylon or polyester fabric
Dry bags likely use silicone coatings, but PFAS status unclear from brand.
⚠Waterproof or stain-proof treatment
Sea to Summit
Ultra- Sil Dry Bag Set
Ultra-Sil coated nylon fabric, unspecified water-repellent coating
Dry bag with mystery waterproof coating, no PFAS disclosure.
⚠Waterproof or stain-proof treatment
Sea to Summit
TPU Accessory Case
TPU (thermoplastic polyurethane) with waterproof treatment
TPU case has waterproof coating; PFAS content in treatment unconfirmed by brand.
⚠Waterproof or stain-proof treatment
Sea to Summit
Quest Outdoors Dry Bag Sling
Nylon/polyester with water-repellent coating waterproof treatment
Dry bags typically use water-repellent coating coatings; Sea to Summit does not disclose PFAS status.
⚠Waterproof or stain-proof treatment
Sea to Summit
Lightweight Dry Bag View 8L Surf Blue
PVC-free synthetic fabric with waterproof coating
Waterproof coating chemistry unconfirmed.
⚠Waterproof or stain-proof treatment
Columbia
Men's Saudan Pro 3L Waterproof Rain Jacket
Polyester with water-repellent coating waterproof coating
water-repellent coating likely contains PFAS; Columbia does not disclose.
⚠Waterproof or stain-proof treatment
Columbia
Women's Cassiar Pro ODX Waterproof Jacket
Nylon/polyester with ODX waterproof coating
Waterproof jacket with undisclosed water-repellent coating treatment; elevated PFAS risk.
⚠Waterproof or stain-proof treatment
Columbia
Men's Trailborne 2.5L Shell Jacket
Nylon shell with water-repellent coating water-resistant treatment
Unknown water-repellent coating chemistry; Columbia provides no PFAS disclosure.
⚠Waterproof or stain-proof treatment
Columbia
Men's Whistler Peak Waterproof Shell Jacket
Polyester shell with water-repellent coating (water-repellent coating) coating
Waterproof shell uses water-repellent coating; PFAS content unknown, unverified.
⚠Waterproof or stain-proof treatment
Columbia
Men's Hydroforce Hoodie
Polyester blend with water-repellent coating (water-repellent coating) treatment
water-repellent coating apparel typically uses PFAS; Columbia provides no disclosure.
⚠Waterproof or stain-proof treatment
Columbia
Send Relief Columbia Rain Jacket (Navy)
polyester with water-repellent coating water-repellent coating
Rain jacket with unknown water-repellent coating chemistry.
⚠Waterproof or stain-proof treatment
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