Stainless Steel Waterproof Fitness Tracker Cases, ranked by PFAS safety
All 5 bare stainless steel picks in our waterproof fitness tracker cases database, graded A to F and ranked safest first. 2 earn a buy-worthy grade.
Fitbit
Fintie Bands for Fitbit Versa 4/3/2/1/Versa Lite/Fitbit Sense 2/Sense
Silicone and stainless steel band
Lower concern. Silicone bands rarely require PFAS-based treatments.
⚠Brand says nothing about PFAS
Fitbit
Supcase Rugged Buckle Case for Fitbit Ionic,Strap Replacement Bands for Fitbit Ionic Smartwatch
Silicone, elastomer, stainless steel bands
Lower concern. Silicone and stainless steel bands unlikely PFAS sources.
⚠Brand says nothing about PFAS
X-Doria
Raptic Citizen Stainless Steel Magnetic Closure Apple Watch Band
Stainless steel band, magnetic closure
Lower concern. Stainless steel inherently PFAS-free, no water-repellent coating treatment.
⚠Stain-resistant finish
X-Doria
Classic Plus Stainless Steel Magnetic Closure WatchBand for Apple Watch
Stainless steel, magnetic closure
Lower PFAS concern; stainless steel watch band has minimal chemical risk.
⚠Stain-resistant finish
Apple
Watch Series 2 Waterproof Case with Band
Aluminum, stainless steel, fluoroelastomer seals with unspecified waterproof treatment
Skip until Apple discloses waterproof treatment chemistry.
⚠Waterproof or stain-proof treatment
See every material: all waterproof fitness tracker cases grades →