Misfit · Waterproof Fitness Trackers & Cases
Misfit Flash
Activity tracker with common materials, no known PFAS risk.
This simple plastic and glass activity tracker has a silicone band with no water-resistant coatings or stain treatments typically associated with PFAS. No known PFAS risk signals present.
We flunk more products than we pass. This one earned its grade. How we grade
Material
plastic body, glass display, silicone band
Brand disclosure
Brand is silent on PFAS
Lab data
No public lab test
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What Misfit Flash is made of, ingredients and materials
The Misfit Flash consists of a plastic body (likely polycarbonate or ABS), a glass display face, and a replaceable silicone band. These are inert material choices commonly used in wearable electronics where direct skin contact is frequent. Silicone is chemically stable and does not leach problematic substances under normal wear conditions, and polycarbonate/ABS are thermally stable well above body temperature. Glass display poses no chemical hazard, only mechanical breakage risk.
What’s concerning
No PFAS disclosure
No public statement from the brand about PFAS in this product.
Category baseline
The starting point for this type of product, before anything specific to this product is counted.
Silicone band skin sensitization
While medical-grade silicone is inert, contaminants from sweat and environmental accumulation can cause localized irritation in sensitive individuals. This is a hygiene issue, not a material toxicity issue; regular cleaning mitigates risk.
Glass display breakage and sharp edges
The Misfit Flash uses a tempered glass face; user reviews document rare cases of cracked displays after drops, which create sharp edges and potential laceration risk. This is mechanical failure, not chemical hazard.
What’s reassuring
Base material not linked to PFAS
The main material recorded for this product is not one associated with PFAS.
Polycarbonate/ABS polymer degradation from heat stress
No reports of degradation or leachate from the Flash plastic body under normal use. Polymer hydrolysis is not a risk at body temperature; risk only emerges above 70 degrees Celsius sustained exposure.
Adhesive or sealant off-gassing
No volatile organic compound or formaldehyde emissions have been documented from the Flash assembly. The device is not known to produce odor or respiratory irritation out of the box.
Heavy metals
Lead-free solder is standard in consumer electronics manufacturing as of 2006 onward; the Misfit Flash (released 2013) used lead-free construction. Risk of heavy metal exposure from internal electronics is negligible during normal wear.
Source, FDA ↗How is this PFAS grade calculated?
The brand's record and disclosure
Misfit (acquired by Fossil Group in 2015) does not publish detailed material safety data sheets or chemical disclosure statements for the Flash model. The company has not faced documented product recalls related to chemical contamination or hazardous substance migration. No independent third-party certifications (such as OEKO-TEX or similar) are publicly associated with this product, limiting transparency verification.
How it compares in its category
Activity trackers in this price and feature tier typically use identical material combinations, silicone bands, polycarbonate cases, and glass or plastic displays. The Misfit Flash sits in the middle of the wearables market for material safety; it uses no exotic polymers or questionable additives that would distinguish it as higher-risk than competitors like Fitbit or Garmin entry-level trackers. Material hazard profile is standard for this category.
If you buy it
Silicone bands can be removed and hand-washed with soap and water; do so periodically to prevent skin irritation from sweat accumulation rather than chemical leaching. Avoid prolonged exposure to direct sunlight or heat above 60 degrees Celsius, which could theoretically stress polymer bonds, though the device is designed for normal body-temperature wear. Replace the silicone band if it shows visible cracking or discoloration. The device is not intended for boiling or dishwasher use.
What is not known about PFAS in this product?
- Basis
- Model estimate, 72% confidence, not a lab result
- Lab test
- None on record for this exact product
- Brand statement
- Misfit has made none
Formulations change between production runs, so check the current label. How we grade.
More waterproof fitness trackers & cases 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.