PFAS20/ 100Bad
Overall0/ 100Bad
Timberland Women's

Timberland · Waterproof Boots

Timberland Women's

Bad

Skip until Timberland discloses waterproofing chemistry.

Verdict · SkipTimberland uses undisclosed PFAS-based waterproofing; no transparency on chemistry or safer alternatives available.

Timberland footwear typically uses water-repellent coating-treated leather or textiles. Brand does not publicly disclose PFAS status of water-repellent finishes.

Still want this one anyway? Check the price on Amazon. We’d swap it.

Material

leather/textile with waterproofing treatment

Brand disclosure

Brand is silent on PFAS

Lab data

No public lab test

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What Timberland Women's is made of, ingredients and materials

Timberland Women's footwear typically combines leather uppers with textile components and a waterproofing treatment applied to the surface. The waterproofing agent is not publicly specified by Timberland, but industry practice for leather/textile boots points to PFAS-based water repellents (fluorocarbon coatings), which resist water and oil yet persist in the environment and body. Leather itself can vary in tanning method and dye chemistry; textile backing may include synthetic fibers that can shed microfibers during wear and washing.

What’s concerning

♾️

Waterproof / stain-resistant treatment

Water-repellent coating treatments have historically used PFAS.

65/ 100
♾️

Category baseline

The starting point for this type of product, before anything specific to this product is counted.

70/ 100
♾️

No PFAS disclosure

No public statement from the brand about PFAS in this product.

85/ 100
🏷️

PFAS

Timberland does not name the waterproofing agent. Industry standard for leather/textile waterproofing in this price and performance tier is fluorocarbon (PFAS) coating; no public statement from Timberland contradicts this assumption.

Source, ATSDR ↗
20/ 100
🎨

Azo dyes and chromium in leather tanning

Timberland sources leather globally; tanning chemistry is not disclosed. Azo dyes banned in EU may still appear in leather from non-EU tanneries, and hexavalent chromium in chrome tanning poses occupational and environmental risk, though consumer dermal exposure is generally low.

70/ 100
💨

Formaldehyde / VOCs

Synthetic textiles used in lining or reinforcement may carry formaldehyde-based resins from manufacturing; new boots can off-gas initially. Timberland provides no testing or restricted substance disclosure.

Source, ATSDR ↗
70/ 100
🫧

Microfiber shedding from synthetic textiles

Synthetic textile components in boot linings and backing shed microfibers during laundering and wear. This is a known property of polyester and nylon, not unique to Timberland, but contributes to plastic pollution.

45/ 100
⚠️

Antimony in polyester reinforcement

If the boot uses polyester fabric (common in water-resistant lining), antimony trioxide catalyst residue may be present in trace amounts. Timberland does not specify polyester sourcing or antimony screening.

70/ 100

The full breakdown

The brand's record and disclosure

Timberland does not publicly disclose the specific waterproofing chemistry used in its footwear, and has not announced a commitment to PFAS-free alternatives or transition timelines. The brand has not obtained certifications such as Bluesign or Cradle to Cradle that would independently verify safer processing. While Timberland has made general sustainability pledges, transparency on hazardous chemical substitution lags behind competitors like Salomon or some REI Co-op branded boots.

How it compares in its category

Many premium outdoor footwear brands (Danner, Keen, Merrell) now offer PFAS-free or low-fluorine waterproofing options with published ingredient transparency. Entry-level waterproof boots often retain PFAS coatings without disclosure, making Timberland's silence typical of mid-market brands but not state-of-practice. Consumers seeking documented PFAS-free alternatives can find them, though at similar or slightly higher price points.

If you buy it

Wash new boots outdoors or in well-ventilated areas before wearing, as waterproofing off-gassing can occur initially. Avoid machine washing; hand clean with cool water and mild soap, then air-dry away from direct heat. Replace the boots when the sole wears through (typically 1-2 years for regular use) rather than attempting resoling, as the waterproofing layer cannot be reliably restored. Store in a dry, cool place; mold on damp leather indicates poor drainage or inadequate air circulation during storage.

What we don’t know

Basis
Model estimate, 35% confidence, not a lab result
Lab test
None on record for this exact product
Brand statement
Timberland has made none

Formulations change between production runs, so check the current label. How we grade.

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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.