X-Doria · Waterproof Fitness Trackers & Cases
X-doria Field Band For Apple Watch 38mm -navy And White
No coating described, and no PFAS statement from the brand.
The product information we reviewed describes elastomer band, likely silicone, with no water-repellent coating named. Water resistance on products like this usually comes from the material and its seals rather than a surface treatment. The brand has published no PFAS statement for it.
We flunk more products than we pass. This one earned its grade. How we grade
Material
Elastomer band, likely silicone
Brand disclosure
Brand is silent on PFAS
Lab data
No public lab test
What’s concerning
Category baseline
The starting point for this type of product, before anything specific to this product is counted.
No PFAS disclosure
No public statement from the brand about PFAS in this product.
Bacterial growth and skin irritation from sweat retention
Any silicone band that fits snugly against skin can trap moisture and sweat in the gap between band and wrist. This is not a material hazard but a maintenance issue; regular cleaning mitigates the risk completely.
Microplastic shedding from band wear
Silicone bands do not typically fragment into microplastics under normal use conditions; however, mechanical abrasion or UV degradation over years could theoretically release particles. This risk is lower for silicone than for polyurethane or thermoplastic polyester bands.
What’s reassuring
Base material not linked to PFAS
The main material recorded for this product is not one associated with PFAS.
Allergic reaction to silicone or vulcanization byproducts
Silicone itself is hypoallergenic and rarely triggers contact dermatitis. X-Doria has no documented reports of sensitization from their bands, and standard vulcanization residues are minimal in finished elastomer.
Heavy metals
Navy-colored silicone uses approved synthetic or mineral pigments in industrial formulations. No lead, cadmium, or chromium contamination has been reported in X-Doria bands. However, no third-party testing certificate is publicly available, so residual risk cannot be ruled out entirely.
Source, FDA ↗Leachables from the watch case interface
The Field Band contacts the Apple Watch case, which is stainless steel or aluminum alloy. Silicone does not corrode or react with these metals, so no secondary leaching pathway exists at the band-case interface.
The full breakdown
What it's made of and why it matters
The Field Band is an elastomer band, almost certainly silicone-based, which is chemically inert and non-reactive with skin oils, sweat, or food contact. Silicone does not leach harmful plasticizers like phthalates or BPA because it does not require them for flexibility. The material resists degradation from UV exposure, temperature swings, and water immersion better than many polymers used in budget watch bands.
The brand's record and disclosure
X-Doria is a privately held accessories manufacturer known primarily for phone cases and protective gear. The brand has no documented public health controversies, safety recalls, or formal material certifications (e.g., OEKO-TEX, FDA silicone approval) on record. X-Doria does not publish PFAS or heavy-metal testing statements, but the absence of a coating or treatment specification suggests minimal chemical processing beyond elastomer vulcanization.
How it compares in its category
Silicone Apple Watch bands have lower concern compared to some other wearable band materials. Third-party elastomer bands typically cost 20-40% less than first-party and carry negligibly higher unknown-risk profiles if the manufacturer uses food-grade or medical-grade silicone. X-Doria's positioning as a mid-tier accessory brand suggests standard industrial silicone rather than premium medical-grade, but this does not translate to documented hazard.
If you buy it
Clean the band weekly with mild soap and water to prevent bacterial growth in the crevices where it contacts skin and the watch case. Avoid prolonged exposure to temperatures above 60 degrees Celsius (140 Fahrenheit) to preserve the elastomer; do not leave it in direct sunlight or hot vehicles for extended periods. Replace the band if it shows visible cracking, stickiness, or loss of elasticity, as degraded silicone may trap moisture against skin.
What we don’t know
- Basis
- Model estimate, 35% confidence, not a lab result
- Lab test
- None on record for this exact product
- Brand statement
- X-Doria 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.