20/ 100
F
OverallF12/100
Hoka Men's Novafly Run Tights

HOKA · Synthetic Athletic Wear

Hoka Men's Novafly Run Tights

F · High PFAS

Performance tights likely treated with water-repellent coating; HOKA does not disclose PFAS policy.

Verdict: SkipNylon tights with undisclosed water-repellent coating treatment pose possible PFAS exposure; no other established hazards on record, but brand transparency is weak.

Hoka's Novafly tights are nylon-blend running apparel typically finished with water-repellent treatment common in athletic wear. HOKA provides no public disclosure on PFAS use or avoidance in this product.

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

Material

Nylon blend with water-repellent coating (water-repellent coating) treatment

Brand disclosure

Brand is silent on PFAS

Lab data

No public lab test

Why this grade

Waterproof / stain-resistant treatment

water-repellent coating treatments have historically used PFAS.

Hurts the grade

Category baseline

clothing is a category where PFAS exposure is more common.

Hurts the grade

No PFAS disclosure

No public statement about PFAS in this product.

Hurts the grade

The full breakdown

What it's made of and why it matters

Hoka Novafly Run Tights are constructed from a nylon blend, a synthetic polymer chosen for stretch, durability, and moisture management in athletic wear. The water-repellent coating (water-repellent coating) finish applied to the fabric is the key concern: water-repellent coating coatings on apparel are historically treated with fluorinated compounds (PFAS) to repel moisture while maintaining breathability. Hoka does not publicly disclose whether this product uses PFAS-based or alternative water-repellent coating chemistry, which is the primary unknown for this item.

The brand's record and disclosure

Hoka has not published a clear PFAS policy or chemical disclosure statement for its apparel lines as of available records. The brand is known for performance footwear innovation but lags behind leaders like Patagonia and The North Face in transparency around fluorinated treatments. No recalls or substantiated safety controversies specific to Hoka tights have been documented in public databases. Without proactive communication on water-repellent coating chemistry, consumers cannot assess PFAS risk at the point of purchase.

How it compares in its category

Most performance running tights in the mid-to-premium tier receive water-repellent coating treatment, making untreated alternatives rare. Brands like Nike, Lululemon, and Allbirds have begun transitioning to PFAS-free or disclosed water-repellent coating systems, though disclosure remains inconsistent across the category. Hoka tights are competitively priced and well-reviewed for fit and durability, but the silence on chemical inputs puts them behind category leaders on environmental and health transparency. If PFAS avoidance is a priority, seeking brands with explicit PFAS-free claims is advisable.

If you buy it

Wash in cold water and avoid fabric softeners, which can degrade water-repellent coating performance and release microfibers. Do not use high heat (tumble dry or direct sunlight) as nylon can soften above 75-80 degrees Celsius, compromising fit and durability. Replace when elasticity visibly decreases or seams show wear, typically 12-24 months of regular wear. If water-repellent coating performance matters to you, contact Hoka customer service directly to request confirmation of their water-repellent coating treatment chemistry before purchasing.

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.”

Possible

PFAS in water-repellent coating treatment

Nylon tights with water-repellent coating finish commonly use fluorinated compounds; Hoka does not disclose chemistry, so PFAS presence cannot be ruled out. Skin contact with treated fabric is a low-level exposure route for apparel, but cumulative laundry water discharge poses broader environmental concern.

None known

Azo dyes

No public records indicate Hoka uses prohibited azo dyes in this product or other tights. Most reputable brands in this tier avoid them, but explicit third-party certification (OEKO-TEX, Bluesign) is absent from Hoka's marketing.

None known

Formaldehyde resins (finish treatments)

Formaldehyde-based curing agents are not typical in water-repellent coating or stretch nylon apparel; modern finishes in this category do not rely on formaldehyde. This hazard is unlikely but not formally ruled out by Hoka documentation.

Possible

Microplastic shedding

Like all synthetic nylon apparel, these tights shed microfibers during washing. The amount is typical for the material class, not exceptional to this brand, but accumulates with repeated laundering over the product lifetime.

None known

Antimony in polyester (if blend includes polyester)

Product is described as nylon blend; if polyester is a minor component, antimony catalyst residue is theoretically possible but unlikely and undocumented. Hoka does not specify the exact fiber composition beyond 'nylon blend.'

What we don’t know

This grade is a model-based estimate from public materials, coatings, and brand disclosure at 35% 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.

Safer alternatives in Synthetic Athletic Wear

Arc'teryx Men's Cormac Logo Shirt

Arc'teryx

Men's Cormac Logo Shirt

100% polyester knit, no water-repellent treatment

D
F
PFASAll
D · Elevated3 flags

Lower concern. Basic polyester tee with no water-repellent coating finish.

Risky category by default

Hoka Men's Race Day Singlet

HOKA

Men's Race Day Singlet

polyester mesh and fabric

D
F
PFASAll
D · Elevated4 flags

Lower concern. No waterproofing or water-repellent coating treatment typical for race singlets.

Risky category by default

HOKA Men's Race Day Singlet Crew Neck Running Tank top

HOKA

Men's Race Day Singlet Crew Neck Running Tank top

Polyester/nylon blend athletic knit, no disclosed water-repellent coating or stain treatment

D
F
PFASAll
D · Elevated2 flags

Lower concern. No performance coatings disclosed on this running tank.

Risky category by default

More synthetic athletic wear 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.