Cybex · Child Car Seats
Cybex Cloud T Comfort Extend Infant Car Seat with SensorSafe
Lower PFAS concern for primary structure; fabric treatments unclear but car seat not a PFAS-typical application.
The Cybex Cloud T is primarily polyurethane foam and polypropylene, materials not typically treated with PFAS. However, Cybex provides no public disclosure about PFAS use or avoidance in upholstery treatments or coatings. The brand does not claim PFAS-free status or hold third-party verification.
Shop Cybex on Amazon →Material
Polyurethane foam, polyester fabric, polypropylene shell
Brand disclosure
Brand is silent on PFAS
Lab data
No public lab test
Why this grade
Category baseline
furniture is a category where PFAS exposure is more common.
No PFAS disclosure
No public statement about PFAS in this product.
Safe base material
Made from a material with no inherent PFAS use (ceramic, mineral, or natural fiber).
The full breakdown
What it's made of and why it matters
The Cybex Cloud T uses polyurethane foam padding, polyester fabric upholstery, and a polypropylene plastic shell. Polyurethane foam is a standard, flame-retardant material in infant car seats and has been safely used in this application for decades. Polyester fabric and polypropylene are chemically stable under normal vehicle conditions and do not typically leach harmful compounds during use. The combination is chosen for comfort, durability, and compliance with federal crash safety standards (FMVSS 213).
The brand's record and disclosure
Cybex is a German company with strong European safety credentials and CE certification compliance. The company does not publicly disclose detailed material safety data sheets or PFAS testing results, though the lack of public disclosure does not indicate a problem specific to this model. Cybex has not faced major recalls or hazard controversies tied to chemical contamination in car seats. The brand focuses marketing on crash protection and structural engineering rather than material toxicity transparency.
How it compares in its category
Car seats are a heavily regulated category under U.S. federal safety law, which limits variability in hazard profiles across brands. The Cybex Cloud T is positioned in the mid-to-premium segment and meets the same chemical safety baseline as mainstream competitors (Graco, Britax, Chicco). Polyurethane foam car seats are the industry standard and carry no established advantage or disadvantage over latex or other foam chemistries in hazard terms. The SensorSafe feature adds electronic connectivity but does not change material safety.
If you buy it
Store the car seat in a cool, dry place away from direct sunlight to prevent foam degradation and fabric fading over time. Do not expose it to extreme heat (above 140°F / 60°C) or allow liquid to saturate the padding, as this can degrade structural integrity and comfort. Check the fabric and padding annually for tears, compression loss, or odors that indicate breakdown; replace the seat if structural damage occurs or after a moderate-to-severe crash (per manufacturer guidance). Wash fabric covers gently with mild soap and water; do not machine-wash or dry-clean, as this can damage protective coatings and seams.
Beyond PFAS: other things we checked
Established hazard classes for this product type, assessed from public information. These never change the PFAS grade; a Likely flag caps the Verdict at “Buy with care.”
Flame retardants in polyurethane foam
Polyurethane foam in car seats is treated with brominated or phosphorus-based flame retardants to meet federal flammability standards (16 CFR 1633). These compounds are present by regulatory requirement and are not unique to Cybex; exposure risk during normal use is minimal because the foam is encased in fabric and plastic.
Formaldehyde in polyester fabric finish
Polyester fabrics often undergo resin treatments for wrinkle resistance and durability, which may involve trace formaldehyde. Cybex does not disclose specific fabric treatments for the Cloud T. Emission risk is low in car seats because the surface area is small, the fabric is not directly mouthed by infants, and off-gassing occurs mainly in the first few days after manufacturing.
Antimony in polyester
Antimony trioxide is used as a synergist with brominated flame retardants in some polyester textiles. No published data indicates antimony contamination in Cybex car seats, and this hazard is not documented in the car seat product category specifically.
Polypropylene shell degradation and microplastic shedding
Polypropylene can become brittle and crack over time, especially if exposed to UV light or temperature cycling in vehicles. Microplastic particles from degraded plastic are a theoretical concern in long-term use, though no quantified risk exists for car seat shells. Inspect the shell annually for cracks and discontinue use if structural integrity is compromised.
Bacterial or mold growth in foam if moisture-damaged
Polyurethane foam retains moisture if exposed to spills, humid storage, or sweat accumulation over months. Wet padding can develop microbial growth. This is a maintenance issue rather than a material hazard; follow drying and cleaning instructions to prevent it.
What we don’t know
This grade is a model-based estimate from public materials, coatings, and brand disclosure at 72% confidence. It is not a lab result.
No independent PFAS lab test is on record for this exact product. A lab test could move the score in either direction.
The brand has not made a specific, verifiable PFAS-free statement, so part of this score reflects that missing disclosure rather than a confirmed material.
Formulations and coatings change between production runs. Always check the current label before buying.
More child car seats grades
How we score: every product runs through the same public 0–100 rubric based on materials, coatings, brand disclosure, lab findings, and recalls. See the full methodology → Spotted a mistake? Report an error.