LP (Lp Inc) · Sports Equipment Padding
LP Support Patella Strap Knee Support
Lower concern. Standard athletic support with no known PFAS-prone features.
Knee strap uses typical neoprene and elastic blend without waterproofing or specialized coatings. No brand PFAS disclosure found, but material composition poses minimal typical risk.
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Material
Neoprene, elastic, fabric blend
Brand disclosure
Brand is silent on PFAS
Lab data
No public lab test
Why this grade
Safe base material
Made from a material with no inherent PFAS use (ceramic, mineral, or natural fiber).
Category baseline
clothing is a category where PFAS exposure is more common.
No PFAS disclosure
No public statement about PFAS in this product.
The full breakdown
What it's made of and why it matters
LP's patella strap uses neoprene (synthetic rubber), elastic fibers, and fabric blends typical of sports supports. Neoprene itself is chemically stable during normal wear and does not leach significant compounds under body-temperature conditions. The elastic and fabric components may contain dyes or finishing agents, but these are minimal in a compression strap designed for external skin contact only, not ingestion or prolonged internal exposure.
The brand's record and disclosure
LP Inc is a well-established orthopedic support manufacturer with no documented recalls or safety controversies related to chemical contamination in their neoprene products. The brand does not actively advertise chemical certifications (such as OEKO-TEX or bluesign) on this product line, though this is common for athletic supports. No formal PFAS disclosure statements are publicly available, consistent with the lower-concern PFAS assessment for standard neoprene supports.
How it compares in its category
Neoprene-based knee supports are the industry standard and generally carry lower chemical risk than gel-filled or thermoplastic alternatives. Compared to fabric wraps or metal-hinged braces, neoprene straps offer simpler chemistry with fewer components. This product sits in the safe mainstream of athletic support design with no unusual material choices that would elevate hazard concern.
If you buy it
Wash the strap in cool water with mild soap and air dry to preserve elasticity and neoprene integrity. Do not expose to direct heat, hot water, or prolonged sunlight, which can degrade the rubber and elastic over time. Replace if you notice visible tears, permanent loss of compression, or odor indicating bacterial growth in the material. Store in a dry place to prevent mildew.
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.”
Azo dyes in fabric/elastic
Colored elastic and fabric components may contain azo dyes, which can release aromatic amines under sweat and friction. No specific recalls or testing on LP knee straps is on record, but this is a known category risk for multi-component textiles.
Formaldehyde in fabric finishing resins
Fabric components may contain formaldehyde-based finishing agents used to improve durability and wrinkle resistance. Exposure through skin contact is low, but prolonged wear on sensitive skin could theoretically cause minor irritation; no incidents reported for this product.
Neoprene degradation and leaching
Neoprene is chemically inert under normal body-temperature and sweat conditions. Degradation risk is minimal unless the strap is exposed to extreme heat, oils, or prolonged UV exposure, none of which are typical use scenarios.
Elastic component breakdown
Elastic fibers in knee supports can lose tension and structural integrity over time with repeated washing and stretching, potentially reducing therapeutic benefit. This is a mechanical issue rather than a chemical hazard, but signals when replacement is warranted.
Antimony in polyester fibers
If the fabric blend includes polyester, trace antimony from the catalyst used in production may be present. Skin contact exposure is negligible, and no antimony leaching has been documented in neoprene athletic supports.
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 sports equipment padding 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.