Simple Modern · Portable Water Bottles
Simple Modern Summit Water Bottle
Standard stainless bottle with minimal PFAS concern.
This straightforward stainless steel bottle from Simple Modern has a plastic lid. No PFAS-related coatings appear likely.
We flunk more products than we pass. This one earned its grade. How we grade
Material
stainless steel bottle, plastic lid
Brand disclosure
Brand is silent on PFAS
Lab data
No public lab test
What Simple Modern Summit Water Bottle is made of, ingredients and materials
The Simple Modern Summit uses food-grade 18/8 stainless steel for the bottle body, which is chemically inert and does not leach metals or compounds into water under normal use. The plastic lid is typically polypropylene (PP), a lower-risk polymer that does not contain BPA or phthalates in standard formulations. Stainless steel is among the lower concern beverage container materials because it forms a stable oxide layer that resists corrosion and leaching even with acidic or hot liquids.
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 in lid and seal
Plastic lids and threaded caps on all reusable bottles can harbor mold, mildew, or bacteria if not dried thoroughly or rinsed frequently. This is a use and maintenance issue, not a manufacturing flaw specific to Simple Modern.
What’s reassuring
Base material not linked to PFAS
The main material recorded for this product is not one associated with PFAS.
Stainless steel corrosion and metal leaching
No reports of chromium or nickel leaching from Simple Modern's 18/8 stainless steel bottles. This alloy is highly resistant to corrosion under normal drinking water conditions.
BPA & bisphenols
Polypropylene lids do not contain BPA or phthalates in standard production. No off-gassing reports exist for this product. Risk is negligible at room temperature.
Source, FDA ↗Coating degradation or internal enamel flaking
The Summit uses bare stainless steel with no interior enamel or protective coating, so flaking or peeling is not a hazard class. Some painted or powder-coated exterior finishes may chip, but this does not contact the drinking water.
Microplastic shedding from bottle walls
Stainless steel does not shed microplastics. The plastic lid is rigid polypropylene and is not known to degrade into particles under normal use conditions.
The full breakdown
The brand's record and disclosure
Simple Modern does not publish detailed material safety data sheets or third-party certifications (e.g., NSF, BPA-free claims) on its website, though the company has not been subject to major recalls or safety violations related to chemical leaching. The brand's silence on PFAS and coatings is typical for mainstream water bottle manufacturers and does not indicate a hidden problem. No formal controversy or regulatory action against Simple Modern's water bottles has been documented in public records.
How it compares in its category
Among reusable water bottles, stainless steel ranks as a lower concern material; glass and ceramic alternatives also present lower concern but are heavier and more fragile. Plastic-only bottles (PET, Tritan) carry slightly higher microplastic and BPA-variant risks if damaged or heated. The Summit's stainless steel construction with a simple plastic lid is a conventional, well-established design with no unusual chemical exposure pathways compared to competitors like Hydro Flask or YETI.
If you buy it
Wash the lid regularly with warm soapy water to prevent mold or bacterial biofilm in the cap and threads, which is the primary maintenance risk for any reusable bottle. Avoid prolonged storage of acidic beverages (lemon water, vinegar solutions) without rinsing, as they may corrode stainless steel over years. The plastic lid is not microwave-safe and should be removed before heating; the bottle itself can be heated on a stovetop but may discolor slightly. Replace the lid if it becomes visibly cracked or develops persistent odor, as cracks can harbor bacteria.
What we don’t know
- Basis
- Model estimate, 72% confidence, not a lab result
- Lab test
- None on record for this exact product
- Brand statement
- Simple Modern has made none
Formulations change between production runs, so check the current label. How we grade.
Better-graded alternatives in Portable Water Bottles
Klean Kanteen
27oz Wide Water Bottle with Loop Cap
- 18/8 stainless steel, no interior coating
- The brand calls it PFAS-free, which we have not verified
- Cap or closure contamination
2 hazards checked on this product. See all of them.
Klean Kanteen
Rise Classic Insulated Water Bottle
- stainless steel body, foam insulation, stainless steel cap
- The brand calls it PFAS-free, which we have not verified
- Cap gasket and seal contamination
Klean Kanteen
Classic Flip Seal Sport Cap
- Stainless steel bottle, plastic flip cap
- The brand calls it PFAS-free, which we have not verified
- Plastic cap degradation and microplastic shedding
3 hazards checked on this product. See all of them.
More portable water bottles 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.