Shoe Protector Spray vs Fabric & Leather Duo-Pack: which is safer?

NikWax Fabric & Leather Duo-Pack is our pick, better on PFAS and on the overall hazard picture.

Crep Protect Shoe Protector Spray

Crep Protect

Shoe Protector Spray

PFAS grade

Poor 40/100

Overall grade

Bad 0/100

Verdict

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Hazard flags

⚑ 5

Material

aerosolized protective coating (unspecified polymer/silicone blend)

Confidence

45%

LikelyAerosolized inhalation exposure (solvent + polymer mist)

PossibleVolatile organic compounds (VOCs) in solvent carriers

PossibleCoating degradation and microparticle shedding

Our pick

NikWax Fabric & Leather Duo-Pack

Nikwax

Fabric & Leather Duo-Pack

PFAS grade

Good 65/100

Overall grade

Good 53/100

Verdict

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Hazard flags

⚑ 3

Material

Fabric and leather waterproofing treatment (wax-based)

Confidence

62%

PossibleVolatile organic compounds (VOCs) in spray carrier

PossibleSkin or eye irritation from direct contact

PossibleResidue buildup on treated materials over time

Where these two actually differ

  • We flag Aerosolized inhalation exposure (solvent + polymer mist), Volatile organic compounds (VOCs) in solvent carriers, Coating degradation and microparticle shedding and Contact dermatitis or eye irritation from wet spray on the Crep Protect and not on the Nikwax.
  • We flag Volatile organic compounds (VOCs) in spray carrier, Skin or eye irritation from direct contact and Residue buildup on treated materials over time on the Nikwax and not on the Crep Protect.
  • The Crep Protect is aerosolized protective coating (unspecified polymer/silicone blend) where the Nikwax is Fabric and leather waterproofing treatment (wax-based), which is most of the difference in these two grades.
  • The gap is 25 points, wide enough that this is not a close call, and the Nikwax is the one to buy.

Both products run through the same public rubric, which covers 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 shoe waterproofing sprays, see the full ranking