Topanga Armchair Cushion vs Acadia Outdoor 61in Sofa Cushion: which is safer?
Acadia Outdoor 61in Sofa Cushion is the clear pick. Williams Sonoma Topanga Armchair Cushion carries a failing PFAS grade, and we never recommend buying a failing product.
Williams Sonoma
Topanga Armchair Cushion
PFAS grade
Overall grade
Verdict
Hazard flags
Material
Confidence
LikelyPFAS in stain-resistant coating (reported separately; noted here for context)
PossibleMicrofiber shedding from base fabric
PossibleFormaldehyde in dyes or sizing (textile finishing)
Our pick
Acadia Outdoor 61in Sofa Cushion
PFAS grade
Overall grade
Verdict
Hazard flags
Material
Confidence
PossibleStain-resist fluorinated finishes (PFAS-class)
PossibleVolatile organic compounds (VOCs) from coating or dyes
LikelyCoating degradation and microplastic shedding
Where these two actually differ
- We flag PFAS in stain-resistant coating (reported separately; noted here for context), Microfiber shedding from base fabric, Formaldehyde in dyes or sizing (textile finishing) and Foam core degradation (if present) on the Williams Sonoma and not on the .
- We flag Stain-resist fluorinated finishes (PFAS-class), Volatile organic compounds (VOCs) from coating or dyes, Coating degradation and microplastic shedding and Mildew and bacterial growth if moisture trapped on the and not on the Williams Sonoma.
- The Williams Sonoma is upholstery fabric with stain-resistant finish (likely PFAS-treated) where the is Polyester cushion cover; likely acrylic or polyester-blend upholstery, which is most of the difference in these two grades.
- The gap is 30 points, wide enough that this is not a close call, and the is the one to buy.
Both products run through the same public rubric: materials, coatings, brand disclosure, lab findings, and recalls, plus a beyond-PFAS hazard analysis. Grades are model-based estimates, not lab tests. How grades work →
More outdoor furniture cushion protectants: see the full ranking