Non-Toxic Sports Watches & Fitness Trackers, ranked by PFAS grade
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Top-graded picks in the categories readers replace first, every one scored on the same rubric.
- polypropylene filter housing, carbon/sediment cartridge
- We found no PFAS statement from the brand
- Bacterial growth in spent cartridges
3 hazards checked on this product, all on its full breakdown.
Aquasure
Premier Series 75 GPD Under Sink Reverse Osmosis Water Filtration System
- RO membrane, carbon filters, stainless steel housing
- We found no PFAS statement from the brand
- Bacterial and microbial growth in housing and filters
4 hazards checked on this product, all on its full breakdown.
Avocado
Vegan Mattress
- organic cotton, natural latex, coconut coir, recycled steel coils
- The brand calls it PFAS-free, which we have not verified
- Heavy metals
2 hazards checked on this product, all on its full breakdown.
122 of the 133 sports watches & fitness trackers PFAS Authority has graded reach its 70 point pass mark for PFAS and other toxins, 91.7% of the category, as of November 2026, and 11 score below it. The highest graded is X-Doria Classic Plus Stainless Steel Magnetic Closure WatchBand for Apple Watch at 85 out of 100.
The full ranking is below, best-graded first, with every score linking to the evidence behind it.
Are sports watches & fitness trackers safe?
122 of the 133 sports watches & fitness trackers we graded come back low-concern on our screen and 11 do not. Our grades are model-based assessments built from published materials, ingredient lists, certifications and brand disclosures, not laboratory tests, so they say what we can evidence rather than that anything is safe.
Best graded sports watches & fitness trackers here
Start here
The best non-toxic waterproof fitness trackers & cases, ranked by grade
Buyer’s guide
What to look for in waterproof fitness trackers & cases, and which brands grade best and worst
Waterproof Fitness Trackers & Cases, ranked.
The quickest read, what to skip and the top-graded picks worth buying instead.
Apple
Watch Series 2 Waterproof Case with Band
Skip this. Unknown waterproof treatment chemistry must be disclosed.
Samsung
Food-grade Silicone Wristband for Samsung Galaxy SmartTag2 2023
Low risk. Food-grade silicone typically won't have PFAS.
Why X-Doria Classic Plus Stainless Steel Magnetic wins, and what it beats
Every grade on this page is one sum. A category starts from a baseline, each disclosed material or coating adds risk points, and each thing the brand or a third party has published takes them away. Below is that sum for the winner, then for 1 product it beats, so you can see exactly where the 45 points between the top and the bottom of this waterproof fitness trackers & cases ranking come from.
The winner
Made of Stainless steel, magnetic closure.
- +15No PFAS disclosure. No public statement from the brand about PFAS in this product.
- +10Category baseline. The starting point for this type of product, before anything specific to this product is counted.
- -10Base material not linked to PFAS. The main material recorded for this product is not one associated with PFAS.
15risk points in total, which is a grade of 85
What the grade does not fix. It still carries one risk factor, No PFAS disclosure. See the full breakdown.
What it beats, and why
What puts it behind. Waterproof / stain-resistant treatment, +35 points. Water-repellent coating treatments have historically used PFAS. The winner carries no such factor.
Made of Aluminum case, fluoroelastomer sport band with water-resistant treatment.
- +35Waterproof / stain-resistant treatment
- +15No PFAS disclosure
- +10Category baseline
60risk points, a grade of 40
No product on this page was physically tested by us. Every number above comes from published materials, ingredient and coating disclosures, certifications and brand statements, scored on one public rubric. Formulations change without notice, so check the current product listing before buying.
Which waterproof fitness trackers & cases are PFAS-free? Good or Excellent, best-graded first
- Stainless steel, magnetic closure
- We found no PFAS statement from the brand
- Nickel leaching from stainless steel
- Stainless steel band, magnetic closure
- We found no PFAS statement from the brand
- Nickel leaching from stainless steel
3 hazards checked on this product, all on its full breakdown.
Find an alternative on Amazon- food-grade silicone
- Microplastic shedding
3 hazards checked on this product, all on its full breakdown.
- Silicone wrist band
- We found no PFAS statement from the brand
- Bacterial colonization and biofilm
2 hazards checked on this product, all on its full breakdown.
- Silicone and stainless steel band
- Nickel release from stainless steel hardware
4 hazards checked on this product, all on its full breakdown.
- rubber strap
- Vulcanization residues and accelerators
2 hazards checked on this product, all on its full breakdown.
- silicone or elastomer strap, likely no intentional PFAS coating
- Bacterial or fungal growth (skin contact surface)
3 hazards checked on this product, all on its full breakdown.
Fitbit
Supcase Rugged Buckle Case for Fitbit Ionic,Strap Replacement Bands for Fitbit Ionic Smartwatch
- Silicone, elastomer, stainless steel bands
- Bacterial and mold growth
2 hazards checked on this product, all on its full breakdown.
- silicone or fluoroelastomer band
- We found no PFAS statement from the brand
- Bacterial/fungal biofilm growth
3 hazards checked on this product, all on its full breakdown.
- Nylon textile strap
- We found no PFAS statement from the brand
- Azo dyes (synthetic colorants)
3 hazards checked on this product, all on its full breakdown.
- plastic body, elastomer band
- We found no PFAS statement from the brand
- Phthalate plasticizers in elastomer band
2 hazards checked on this product, all on its full breakdown.
- plastic body, glass display, silicone band
- We found no PFAS statement from the brand
- Silicone band skin sensitization
2 hazards checked on this product, all on its full breakdown.
Samsung
Silicone Bracelet Full Cover for Samsung Galaxy SmartTag 2 Watch Case with Wristband
- Silicone wristband and cover
- Skin sensitization from additives
3 hazards checked on this product, all on its full breakdown.
- Stainless steel case, plastic/silicone band, electronic components
- We found no PFAS statement from the brand
- Silicone band degradation and skin irritation
2 hazards checked on this product, all on its full breakdown.
- Silicone or elastomer band, uncoated
- We found no PFAS statement from the brand
- Colorant migration or azo dyes
4 hazards checked on this product, all on its full breakdown.
- Nylon wristband, untreated
- We found no PFAS statement from the brand
- Contact dermatitis from dye migration or finish residue
2 hazards checked on this product, all on its full breakdown.
- Nylon wristband
- We found no PFAS statement from the brand
- Azo dyes and colorant migration
3 hazards checked on this product, all on its full breakdown.
Fitbit
SUPCASE Unicorn Beetle Pro Series Design Replacement Bands for Fitbit Inspire & Fitbit Inspire
- Silicone or elastomer band (unspecified polymer)
- Skin sensitization or contact dermatitis from elastomer additives
4 hazards checked on this product, all on its full breakdown.
- Silicone band with polyurethane-based
- We found no PFAS statement from the brand
- Skin contact allergen from silicone additives
3 hazards checked on this product, all on its full breakdown.
- Aluminum case, glass screen, silicone band
- We found no PFAS statement from the brand
- Aluminum leaching from case
4 hazards checked on this product, all on its full breakdown.
- Silicone/elastomer band
- We found no PFAS statement from the brand
- Silicone degradation and seal loss
3 hazards checked on this product, all on its full breakdown.
- Silicone band, aluminum frame
- We found no PFAS statement from the brand
- Silicone band degradation and microparticle shedding
3 hazards checked on this product, all on its full breakdown.
- Stainless steel case, silicone band
- We found no PFAS statement from the brand
- Silicone band aging and oligomer leaching
3 hazards checked on this product, all on its full breakdown.
- Plastic/elastomer band, stainless steel, glass display
- Elastomer band degradation and sweat interaction
2 hazards checked on this product, all on its full breakdown.
- 85Epson Pulsense Ps-100 Heart Rate Monitor & Activity Tracker
- 85Epson SF-810B GPS Watch
- 85Epson ProSense GPS Running Watch
- 85Fitbit Luxe Fitness Tracker
- 85Fitbit Versa 3 Smart Watch
- 85Fitbit Google Fitbit Air Active Band
- 85Fossil Women's Smartwatch Sport
- 85Garmin Garmin Band
- 85Garmin Lily 2 Smartwatch
- 85Garmin Vivoactive 5
- 85Garmin Vivosmart 4
- 85Garmin vivosmart 5
- 85Garmin Instinct 3 AMOLED
- 85Garmin Instinct Crossover Solar
- 85Garmin Instinct E 45mm GPS Smartwatch
- 85Garmin Instinct E 45mm Smartwatch
- 85Garmin Instinct Rugged GPS Smartwatch
- 85Lifetrak Core C200 Activity Monitor
- 85Lifetrak Zone C410 24-hr Fitness Heart Rate Watch, Black/orange
- 85Lifetrak Zone C410 Activity Tracker
- 85Misfit Vapor Mis7000 50m Jet Black Case W/ Black Sport Strap
- 85Misfit Vapor Smartwatch
- 85Moto rola Moto Watch 100
- 85Fitbit Charge 6 Fitness Tracker
- 85Polar Ignite 3 Titanium Smartwatch
- 85Suunto Ambit3 Peak Watch
- 85Suunto Race 2 Watch
- 85Withings ScanWatch Light Smart Watch
- 85X-Doria Action Band for Apple Watch
- 85Xiaomi Smart Band 10 Pro Activity Band
- 85Xiaomi Smart Band 8
- 85Apple Watch Series 6 GPS Aluminum Case
- 85Fitbit Charge 5 Unicorn Beetle PRO Rugged Case and Band
- 85Fitbit Sense Advanced Health Smartwatch
- 85Garmin Dive Band Kit
- 85Garmin Forerunner 70
- 85Misfit Shine 2 Fitness + Sleep Tracker
- 85Samsung Goton 3 In 1 Waterproof Case and Band for Samsung Galaxy Watch
- 85Amazfit Pace GPS Smartwatch
- 85Apple Watch Series 10 GPS 46mm Aluminum Case Sport
- 85Apple Waterproof Rugged Apple Watch Band + Case For Apple Series
- 85Amazfit Bip 6 Smart Watch
- 85 Basic Smartwatch. Fitness Tracker Heart Rate Monitor and
- 85Basis "world's Most Advanced Health Tracker" 2014 Edition, Carbon
- 85 Fitness Tracker with Bluetooth Calls
- 85Google Fitbit Air Screenless Fitness & Health Tracker
- 85Epson Wristablegps Gps Sports Monitor Sf-310 Seiko Epson Corp Usb
- 85 IG Slim Water-Resistant Smart Activity Tracker
- 85Epson {lot Of 63 Watches} Epson Ps-100 Pulsense Heart Rate Activity Monitor
- 85Epson {lot Of 68 Watches}epson Pulsense Watch Ps-500 Heart Rate Activity
- 85Epson ProSense GPS Multisport Watch
- 85Fossil Gen 6 Wellness Edition Smartwatch
- 85Fossil Men's Explorist HR Gen 4 Smartwatch
- 85Fossil Women's Q Venture Smartwatch
- 85Garmin CIRQA Smart Band
- 85Garmin Instinct 2 Solar
- 85Garmin Instinct 2 Solar Tactical
- 85Garmin Instinct Crossover
- 85Lifetrak Bluetooth Smart Watch - Wearable Devices
- 85Lifetrak Brite R450 Heart Rate Watch
- 85Lifetrak Core C210 Smart Watch
- 85Lifetrak Train Heart Rate Monitor Watch
- 85Misfit Flare Fitness + Sleep Tracker
- 85Misfit Path Hybrid Smartwatch
- 85Misfit Shine Activity Tracker Black - Waterproof Sleep Monitor
- 85Misfit Shine Sleep/Activity Monitor
- 85Moto Watch M40 Smartwatch with Silicone Band
- 85Moto rola 70 Smartwatch
- 85Moto rola Moto G 2023 Smart Watch
- 85Moto rola Moto G Pure Smartwatch Fitness Activity Tracker
- 85Moto rola Moto Watch 120 Premium Bluetooth AMOLED Smartwatch
- 85Moto rola Moto Watch Fit Smartwatch with OLED and GPS
- 85Moto rola Women's Mobility Moto Watch Smart Watch with Heart Rate Monitor and Accelerometer
- 85Amazfit Helio Smart Ring Health Tracker, No Subscription, Monitors Sleep, Heart Rate & Stress, Titanium Alloy, Water-Res
- 85Amazfit Helio Strap Fitness Tracker
- 85Nix Biosensors Hydration Biosensor
- 85Noise Endeavour Pro Gps Smartwatch
- 85Oura Ring 4 Size Smart Ring
- 85Polar Loop Smart Screen-Free Wearable Health Band
- 85Polar Unite Waterproof Fitness Sports Watch
- 85Polar Verity Sense Optical Heart Rate Sensor
- 85Samsung 2 Pack Waterproof Compatible With Samsung Galaxy Smarttag2 Holder, Tpu
- 85Samsung For Samsung Galaxy Watch Ultra 47mm Unisex Sport Waterproof Tpu Watch
- 85 Husxh TPU Transparent Case Cover+Strap Sweatproof Integrated Case + Band Waterproof Wristband Bracelet Comfortable for S
- 85Samsung Galaxy Watch FE
- 85Samsung Galaxy Watch3
- 85TomTom Black Tomtom Water Resistant Watch Model 8rs00 With Wristband
- 85TomTom Tom Tom Sport Runner Wrist Watch Model 8rs00 Water Resistant Wide Band
- 85TomTom Multi-sport Gps Watch Model 8rgo With Charger Dock
- 85TomTom Runner GPS Watch
- 85TomTom Spark Fit Cardio + Music Heart Rate Monitor
- 85TomTom Water Resistant Watch Model 8R500 - Men
- 85X-Doria Field Band For Apple Watch 38mm -navy And White
- 85Xiaomi Redmi Watch 5 Active Smartwatch
- 85Xiaomi Smart Band 10 Activity Band
- 85Xiaomi Smart Watch Fitness Tracker, 1.47'' TFT Display, 21-Day Battery Life, 50 Fitness Modes, 50m Water Resistant, Smar
- 85Hume Health Tracker Band
- 85iTech Active 3 Smartwatch Fitness Tracker
Which waterproof fitness trackers & cases contain PFAS? Poor and Bad, we’d swap these
- Aluminum case, fluoroelastomer sport band with water-resistant treatment
- We found no PFAS statement from the brand
- Fluoroelastomer degradation and VOC release
3 hazards checked on this product, all on its full breakdown.
Find an alternative on Amazon
- Aluminum case, fluoroelastomer sport band, ion-x glass
- We found no PFAS statement from the brand
- PFAS
2 hazards checked on this product, all on its full breakdown.
Find an alternative on Amazon
- Aluminum case, fluoroelastomer Sport Band
- We found no PFAS statement from the brand
- Fluoroelastomer band degradation and skin contact
3 hazards checked on this product, all on its full breakdown.
Find an alternative on Amazon
- Aluminum case, ion-X glass, fluoroelastomer seals, proprietary coatings
- We found no PFAS statement from the brand
- PFAS
3 hazards checked on this product, all on its full breakdown.
Find an alternative on Amazon
- Titanium case, fluoroelastomer seals, composite band
- We found no PFAS statement from the brand
- PFAS
3 hazards checked on this product, all on its full breakdown.
Find an alternative on Amazon
- Silicone, elastomer, and fabric composite with water-resistant treatment
- We found no PFAS statement from the brand
- PFAS
3 hazards checked on this product, all on its full breakdown.
Find an alternative on Amazon
- Stainless steel case, cork accents, unspecified touchscreen coating and water-resistant treatment
- We found no PFAS statement from the brand
- Waterproofing and water-resistant coating composition
3 hazards checked on this product, all on its full breakdown.
Find an alternative on Amazon
- Stainless steel case, sapphire crystal, fluoroelastomer strap with water resistance coating
- We found no PFAS statement from the brand
- PFAS
2 hazards checked on this product, all on its full breakdown.
Find an alternative on Amazon
- Silicone or fluoroelastomer band with waterproof coating
- We found no PFAS statement from the brand
- Waterproof coating degradation and leachables
3 hazards checked on this product, all on its full breakdown.
Find an alternative on Amazon
- Aluminum case, Ion-X glass, fluoroelastomer sport band
- We found no PFAS statement from the brand
- Fluoroelastomer band dermal sensitization
2 hazards checked on this product, all on its full breakdown.
Find an alternative on Amazon- Aluminum, stainless steel, fluoroelastomer seals with unspecified waterproof treatment
- We found no PFAS statement from the brand
- Undisclosed waterproof treatment chemistry
3 hazards checked on this product, all on its full breakdown.
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