PFAS85/ 100Excellent
Overall59/ 100Good
Garmin CIRQA Accessory Bands

Garmin · Water-Resistant Smart Rings & Bands

Garmin CIRQA Accessory Bands

Excellent

Lower concern. Silicone bands unlikely to contain PFAS, but ask Garmin.

Verdict · SkipSilicone watch bands carry minimal established hazards; no recalled safety issues on record for Garmin CIRQA bands specifically.

Garmin CIRQA bands appear to be made from silicone or elastomer, materials generally lower in PFAS risk. Garmin does not publicly share PFAS information for this accessory.

The better-graded swap

Even R1 Smart Ring

Even Realities

Even R1 Smart Ring

85/100 safety

85Excellent

Same rubric that flunked this product. The swap earned Excellent.

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

Material

Silicone or elastomer bands

Brand disclosure

Brand is silent on PFAS

Lab data

No public lab test

What’s concerning

♾️

No PFAS disclosure

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

85/ 100
♾️

Category baseline

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

90/ 100
🫧

Degradation and microparticle shedding over time

Extended UV exposure or repeated flexing over years can cause silicone elastomers to crack and shed small particles. Risk is low with typical use but increases with poor storage or extreme conditions; regular visual inspection is prudent.

70/ 100

What’s reassuring

Base material not linked to PFAS

The main material recorded for this product is not one associated with PFAS.

100/ 100
💨

Formaldehyde / VOCs

Silicone elastomers used in wearables typically do not require formaldehyde-based cross-linking resins. No formaldehyde contamination has been reported in Garmin accessory bands or similar silicone wearables.

Source, ATSDR
95/ 100

Azo dyes or reactive dyes in colorants

Silicone bands are usually pigmented with inorganic colorants (titanium dioxide, iron oxides) rather than organic azo dyes. No safety alerts or dye-related contamination have been documented for CIRQA bands.

95/ 100

Phthalate plasticizers in elastomer blends

Pure silicone does not require phthalate plasticizers; however, if bands contain TPE or PVC blends, phthalates could be present. No TPE or PVC content has been confirmed in Garmin CIRQA specifications, so this remains theoretical.

95/ 100
⛏️

Heavy metals

Silicone band colorants are typically inorganic oxides with low bioavailability. No cadmium, lead, or antimony leaching has been reported in wearable silicone accessories. Adhesives in band attachment points are minimal and not a typical hazard vector for this product class.

Source, FDA
95/ 100

The full breakdown

What it's made of and why it matters

Garmin CIRQA bands are elastomer or silicone-based straps designed for wearable comfort and durability. Silicone is a synthetic polymer with no known endocrine disruptors or phthalate plasticizers, unlike PVC or polyurethane alternatives. The material is chemically inert at skin temperature and resists degradation from sweat and moisture, making it a stable choice for wearable accessories. Band construction typically includes reinforced attachment points but minimal added coatings or adhesives that would introduce additional chemical exposure.

The brand's record and disclosure

Garmin has not published detailed chemical composition or third-party testing certificates for accessory band materials on their public website. The company maintains no known active PFAS reduction commitment specific to wearable bands, though no PFAS contamination has been reported in accessory products. Garmin's overall product recall history is limited, with no safety alerts tied to CIRQA band composition. Lack of transparency is typical across wearable accessory manufacturers but does not indicate a safety problem.

How it compares in its category

Silicone watch bands are among the lower-risk elastomer choices; they avoid phthalate plasticizers found in some polyurethane or TPE (thermoplastic elastomer) alternatives. Unlike fabric or leather straps, silicone does not require formaldehyde-based tanning or dye fixation. Compared to metal bands, there is no risk of nickel leaching or other heavy metal shedding. Replacement bands in this category are broadly interchangeable, allowing easy substitution if wear occurs.

If you buy it

Rinse the band under running water monthly to remove sweat salt buildup and prevent skin irritation or odor. Avoid prolonged exposure to direct sunlight or heat above 60 degrees Celsius (140 degrees Fahrenheit), as extreme heat can accelerate silicone degradation over years of use. Replace the band if visible cracks, discoloration, or loss of elasticity develop; these are signs the polymer matrix is degrading. Store unused bands in a cool, dry place away from direct light to extend shelf life.

What we don’t know

Basis
Model estimate, 72% confidence, not a lab result
Lab test
None on record for this exact product
Brand statement
Garmin has made none

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

More water-resistant smart rings & bands 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.