Carterjett · Water-Resistant Smart Rings & Bands
Carterjett EXTRA LARGE Hiking Trail Nylon Band - Compatible
Nylon band with no PFAS disclosure. Low documented risk but unconfirmed.
Carterjett nylon hiking band makes no PFAS claims or test data public. Nylon carries lower inherent risk than Teflon-family coating, but water-resistant treatment remains unknown.
The better-graded swap
OnePlus
Pobovi Ring Oneplus - Ultra-thin Titanium Smart Ring - Rose Gold, Size
85/100 safety
Same rubric that flunked this product. The swap earned Excellent.
Still want this one anyway? Check the price on Amazon. We’d swap it.
Material
nylon band, material unspecified
Brand disclosure
Brand is silent on PFAS
Lab data
No public lab test
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What Carterjett EXTRA LARGE Hiking Trail Nylon is made of, ingredients and materials
This product is a nylon band, likely polyamide 6 or 6.6, a synthetic polymer used extensively in outdoor gear for durability and water resistance. Nylon itself is chemically stable and does not naturally leach toxic compounds under normal use. However, the manufacturing process and any applied finishes (dyes, coatings, water-repellent treatments) are the primary concern. Nylon's tight polymer structure resists degradation during typical wearing, though UV exposure and high heat can cause brittleness over years.
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.
Azo dyes and reactive dyes
Nylon bands typically use synthetic dyes for color fastness. While banned azo dyes (those releasing carcinogenic amines) are restricted in EU and many developed markets, imports and small-brand sourcing may not enforce this uniformly. Carterjett's silent stance on dye chemistry means no confirmation of compliance.
Formaldehyde / VOCs
Nylon textiles are often treated with formaldehyde-based resins for wrinkle resistance and shape stability, especially in mass-market hiking gear. No disclosure from Carterjett on finishing chemistry. Exposure through skin contact is typically low unless the product is worn directly against skin for hours in warm conditions.
Source, ATSDR ↗Heavy metals
Darker nylon dyes may contain trace cadmium, lead, or chromium, particularly in reds, yellows, and blacks from lower-cost suppliers. Skin transfer risk is minimal unless sweating extensively in warm weather, but not ruled out without testing.
Source, FDA ↗Microplastic shedding
Nylon fibers can shed and fragment, particularly from edges and worn areas. This is a minor concern for a wearable band but becomes relevant if the product is washed repeatedly or stored in high-heat conditions, leading to coating degradation.
Undisclosed water-repellent coatings
Hiking band products often carry water-repellent coating (water-repellent coating) treatments, which historically used PFOA and PFOS. While many manufacturers have phased these out, Carterjett provides no statement; alternative water-repellent coating chemistries (wax, silicone) are not confirmed.
What’s reassuring
Base material not linked to PFAS
The main material recorded for this product is not one associated with PFAS.
The full breakdown
The brand's record and disclosure
Carterjett is a small accessories brand with no publicly available chemical disclosure statements, third-party certifications, or documented testing records. The brand has not communicated openly about PFAS, heavy metals in dyes, or formaldehyde-based finishing treatments. Absence of disclosure does not confirm harm, but it reflects a lower transparency standard than established outdoor gear manufacturers such as Patagonia or The North Face, which publish restricted substance lists and chemical policies.
How it compares in its category
Nylon bands are mid-range materials for hiking accessories. They are more chemically stable than polyester-cotton blends (which often carry higher azo dye and formaldehyde risk) but less vetted than wool or certified organic cotton. Most mass-market nylon bands from unbranded or small suppliers lack third-party testing; premium outdoor brands typically employ stricter dye and finishing standards. This product sits at the transparency disadvantage without brand certifications like OEKO-TEX or bluesign.
If you buy it
Wash the band separately in cool water before first use to reduce surface dyes and finishing residues. Avoid prolonged direct skin contact if you have dye sensitivity or reactive skin conditions. Store in a dry location away from direct sunlight to prevent UV-induced brittleness and color fading. Replace if visible cracking, peeling, or significant color bleeding occurs after washing, as this signals coating degradation and potential microfiber shedding.
What we don’t know
- Basis
- Model estimate, 60% confidence, not a lab result
- Lab test
- None on record for this exact product
- Brand statement
- Carterjett has made none
Formulations change between production runs, so check the current label. How we grade.
More water-resistant smart rings & bands 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.