Even R1 Smart Ring vs ASUSL400 Strap: which is safer?
Even R1 Smart Ring is our pick: better on PFAS and on the overall hazard picture.
Our pick
Even Realities
Even R1 Smart Ring
PFAS grade
Excellent 85/100
Overall grade
Excellent 77/100
Verdict
Buy
Hazard flags
⚑ 2
Material
titanium, stainless steel, sapphire crystal
Confidence
72%
PossibleBand material variability
PossibleSkin sensitization from sweat pooling
Swatch
ASUSL400 Strap
PFAS grade
Excellent 85/100
Overall grade
Good 59/100
Verdict
Skip
Hazard flags
⚑ 3
Material
Fabric strap, likely polyester or cotton blend
Confidence
72%
PossibleMicroplastics shedding from polyester
PossibleAllergic contact dermatitis from dyes or finishing agents
PossibleBacterial and mold growth in damp strap
Where these two actually differ
- We flag Band material variability and Skin sensitization from sweat pooling on the Even Realities and not on the Swatch.
- We flag Microplastics shedding from polyester, Allergic contact dermatitis from dyes or finishing agents and Bacterial and mold growth in damp strap on the Swatch and not on the Even Realities.
- The Even Realities is titanium, stainless steel, sapphire crystal where the Swatch is Fabric strap, likely polyester or cotton blend, which is most of the difference in these two grades.
- These two are level, close enough that price and fit should decide it rather than our grade.
Both products run through the same public rubric: materials, coatings, brand disclosure, lab findings, and recalls, plus a beyond-PFAS hazard analysis. Grades are model-based estimates, not lab tests. How grades work →
More water-resistant smart rings & bands: see the full ranking