Is Fitbit PFAS-free?
Across 13 graded products, Fitbit averages F (40/100). On disclosure, the brand says nothing publicly about PFAS. None of its products grade C or better yet. Grades are model-based estimates, not lab results.
Graded and flagged D and F, we’d swap these
Fitbit
Versa Lite Edition Smartwatch
Polycarbonate/aluminum case; elastomer band; unspecified waterproof coating
Skip until transparency improves, waterproof smartwatch materials often contain PFAS, but Fitbit discloses nothing.
⚠Waterproof or stain-proof treatment
Fitbit
Inspire 3 Fitness Tracker
plastic, elastomer, electronic components with water-resistant coating
Skip until Fitbit discloses waterproof coating chemistry; PFAS use in wearable water-repellent coating is common but undocumented here.
⚠Waterproof or stain-proof treatment
Fitbit
Versa 2 Fitness Smartwatch
Aluminum case, Gorilla Glass screen, elastomer band
Unknown PFAS risk; waterproof smartwatch likely uses water-repellent coating coatings, brand silent on composition.
⚠Waterproof or stain-proof treatment
Fitbit
Charge 4 Fitness Tracker
Elastomer band, stainless steel case, plastic/composite components with water-resistant coating
Insufficient transparency; waterproofing raises PFAS concerns but no public testing available.
⚠Waterproof or stain-proof treatment
Fitbit
Sense 2 Smartwatch
Aluminum alloy body; elastomer band; proprietary waterproof coating (unspecified)
Skip until Fitbit discloses waterproof treatment chemistry.
⚠Waterproof or stain-proof treatment
Fitbit
Google Fitbit Air Special Edition Stephen Curry
Elastomer band, polymer casing, electronics
Skip until Fitbit discloses waterproofing chemistry, wristband water-resistance raises PFAS questions.
⚠Waterproof or stain-proof treatment
Fitbit
Sense & Versa 3 Sport Band
elastomer sport band with water-resistant coating
Sport band likely uses water-repellent coating treatment, no brand disclosure on PFAS.
⚠Waterproof or stain-proof treatment
Fitbit
Comvin Breathable Air Hole Sport Wristbands
Silicone wristband with breathable air holes
Silicone wristbands carry lower concern, but Fitbit discloses nothing about PFAS.
⚠Waterproof or stain-proof treatment
Fitbit
Tpu Waterproof Watch Strap Band Replacement For Fitbit Charge6/fitbit
TPU (thermoplastic polyurethane) with waterproof coating
TPU strap likely lower concern, but waterproofing chemistry unconfirmed.
⚠Waterproof or stain-proof treatment
Fitbit
Kiq Durable and Water Resistant Silicone Replacement Watch Strap Band for Fitbit Charge 5
Silicone elastomer with water-resistant treatment
Silicone has lower inherent PFAS risk, but water-resistant treatment unspecified.
⚠Waterproof or stain-proof treatment
Fitbit
WATERPROOF SCRUNCHIE elastic watch band for fitbit versa 1, versa 2, versa 3, Versa 4, Sense, and Sense 2 watch bands
Elastic band with unspecified waterproof coating
Skip until Fitbit discloses coating chemistry or provides testing.
⚠Waterproof or stain-proof treatment
Fitbit
3-pack Waterproof Bands For Fitbit Charge 4/3/3 Se, Small & Large, For
Elastomer bands with waterproof coating
Skip. Waterproof coating composition undisclosed by brand.
⚠Waterproof or stain-proof treatment
Fitbit
StrapsCo Slim Active Band for Fitbit Sense
Elastomer band with water-resistant treatment
Skip until Fitbit discloses waterproofing chemistry.
⚠Waterproof or stain-proof treatment
Every grade uses the same public rubric. How grades work →