Do YETI Rambler portable water bottles have PFAS?
YETI Rambler portable water bottles average 70 out of 100 on PFAS Authority's PFAS and toxin screen across the 8 YETI Rambler portable water bottles graded as of October 2026, level with the 70 out of 100 median for the 13 other portable water bottles brands graded alongside it.
YETI Rambler portable water bottles average Good on our four-band scale. 8 of the 8 we graded are worth buying. That is above 27% of the portable water bottles brands we grade.
PFAS Authority is a scoring system, not a laboratory. We do not test products ourselves. Grades are model-based, built from published ingredients, materials, certifications, brand disclosures and third-party lab results where they exist. See the rubric.
YETI Rambler portable water bottles worth buying Good or better, best-graded first
YETI Rambler
Bottle 64oz Royal Blue
- Double-wall stainless steel
- We found no PFAS statement from the brand
- Gasket and seal material degradation, The lid gasket is typically silicone or rubber; over years of use or…
2 hazards checked on this product. See all of them.
YETI Rambler
36 oz Grasshopper
- stainless steel inner; non-PFAS insulating foam
- We found no PFAS statement from the brand
- Rubber gasket and lid degradation, The silicone or rubber gasket in the lid can degrade with repeated…
2 hazards checked on this product. See all of them.
YETI Rambler
16 oz Travel Bottle in Royal Blue
- Stainless steel body, foam insulation, plastic/rubber components
- We found no PFAS statement from the brand
- Rubber gasket and elastomer degradation, Silicone or rubber seals can soften, lose elasticity, or develop…
2 hazards checked on this product. See all of them.
YETI Rambler
18 oz Water Bottle with Straw Cap in Ridgeline
- 18/8 stainless steel interior and exterior, plastic cap
- We found no PFAS statement from the brand
- Plastic cap degradation and leaching, The polypropylene cap may leach trace oligomers or residual monomers if…
2 hazards checked on this product. See all of them.
YETI Rambler
18 oz Water Bottle with Straw Cap in Royal Blue
- Stainless steel interior, plastic lid/cap
- We found no PFAS statement from the brand
- Plastic cap degradation and leaching, Repeated hot liquid exposure or dishwasher cycling can weaken plastic…
2 hazards checked on this product. See all of them.
YETI Rambler
Bottle 26 oz. Grasshopper
- Stainless steel double-wall vacuum insulation
- We found no PFAS statement from the brand
- Bacterial growth and biofilm, The rubber gasket and threaded areas can trap moisture and harbor bacteria if…
2 hazards checked on this product. See all of them.
YETI Rambler
Travel Bottle 16 oz. Navy
- Stainless steel with vacuum-insulation
- We found no PFAS statement from the brand
- Bacterial growth in gasket/seal if unmaintained, Vacuum-insulated bottles create moist microclimates in…
YETI Rambler
Travel Bottle 8 oz Royal Blue
- Stainless steel interior, plastic lid/closure
- We found no PFAS statement from the brand
- Formaldehyde / VOCs, Plastic closure components may emit trace VOCs, particularly if exposed to heat or UV…
3 hazards checked on this product. See all of them.
Better portable water bottles from other brands
Graded higher than the YETI Rambler average of 70.
Klean Kanteen
27oz Wide Water Bottle with Loop Cap
- 18/8 stainless steel, no interior coating
- The brand calls it PFAS-free, which we have not verified
- Cap or closure contamination
2 hazards checked on this product. See all of them.
Klean Kanteen
Rise Classic Insulated Water Bottle
- stainless steel body, foam insulation, stainless steel cap
- The brand calls it PFAS-free, which we have not verified
- Cap gasket and seal contamination
Klean Kanteen
Classic Flip Seal Sport Cap
- Stainless steel bottle, plastic flip cap
- The brand calls it PFAS-free, which we have not verified
- Plastic cap degradation and microplastic shedding
3 hazards checked on this product. See all of them.
The same question, asked of the other portable water bottles brands
Best average grade first. YETI Rambler averages 70.
See every YETI Rambler product we grade on the YETI Rambler brand page, or the full portable water bottles ranking.