METASONO Heated Insoles Lawsuit Update: Burn Injury Warning and Legal Options

METASONO/MEATSONO heated insoles contain a lithium-ion battery that can ignite or explode, even when switched off. The U.S. Consumer Product Safety Commission (CPSC) reports serious burn injuries, including burns that needed skin grafts. CPSC’s Product Safety Warning #26-613, dated July 9, 2026, urges you to stop using the insoles right away. CPSC issued a safety warning rather than a recall. The manufacturer has not responded to CPSC’s requests for one. No MDL has been formed for heated insoles. The insoles were sold online on both Amazon.com and eBay.com.

Latest METASONO Heated Insoles Lawsuit Updates

July 9, 2026: CPSC Issues Heated Insoles Safety Warning

On July 9, 2026, CPSC issued Product Safety Warning #26-613 for METASONO/MEATSONO heated insoles. It told consumers to stop using them right away. The battery can explode and ignite, even when turned off [1]. CPSC is aware of 14 reports of fires, explosions and other thermal incidents. They include at least 10 reported burn injuries. The manufacturer has been unresponsive to CPSC requests for a recall or information.

Who May Be Affected?

People who bought or used METASONO/MEATSONO heated insoles are the people the CPSC warning covers. The insoles sold on Amazon and eBay for between $28 and $70. Sales ran from July 2023 through July 2026. The insoles are primarily navy blue with a multicolored design across the insole. “METASONO” is printed on both sides of the insole. A lithium-ion battery sits in the heel area, and a remote control runs them. CPSC describes fires, explosions and burn injuries involving the insoles. Whether you have a claim depends on your own facts, so each person needs an individual legal review.

Reported Injuries or Damages

CPSC says some of the reported burn injuries were serious second- and third-degree burns that needed skin grafts. These reports do not prove that the insoles caused every incident. CPSC names the battery as the hazard. A June 24, 2026 Federal Register notice covers lithium-ion batteries in micromobility products. In it, CPSC wrote that an overheated cell can enter a self-sustaining reaction called thermal runaway [2].

Recall and Regulatory Background

No company remedy, refund or recall number exists for these insoles. CPSC asks consumers to dispose of the insoles right away. CPSC says to follow local hazardous waste procedures. EPA has a page on used lithium-ion batteries [3]. Other brands are covered on our heated insoles recall page.

Evidence to Preserve

Keep these items if METASONO/MEATSONO heated insoles burned you or damaged your property, because they show what happened:

• Photographs of the insoles and battery, taken before you dispose of them as CPSC directs.
• Your Amazon.com or eBay.com order record, your receipt and the name of the seller you bought from.
• Photos of burns, shoes, socks and other damaged property, with dates.
• Medical records and bills for any burn treatment you or a family member got.
• Messages with the seller, Amazon, eBay or the maker about the insoles or your injury.
• A screenshot of the CPSC warning page and any SaferProducts.gov report number you get.

Filing Deadlines

Filing deadlines exist for injury claims, and state law sets them. The deadline that applies to you depends on where you live and when the burn or other injury happened. A missed deadline can end a claim, even with strong facts. If you were burned, check with a lawyer promptly.

Frequently Asked Questions

What Does the Research Say About Heated Insole Battery Fires?

The research on heated insole battery fires is general. A CPSC Federal Register notice on micromobility products describes thermal runaway in lithium-ion cells, not these insoles. Heat from thermal runaway ignites the flammable electrolyte and builds pressure that can expel hot gases, burning cell materials and flames.

Has a METASONO Heated Insoles Lawsuit Been Filed?

Whether a METASONO heated insoles lawsuit has been filed is not stated in the CPSC warning. The warning lists no court, no docket number and no filing date, and it names only the manufacturer.

Does the CPSC Warning Prove a METASONO Heated Insoles Lawsuit Claim?

A CPSC warning alone does not prove a METASONO heated insoles lawsuit claim. CPSC is a regulator and not a court. Its warning rests on incident reports it received, and it cites no court finding.

How Do I Dispose of METASONO Heated Insoles?

To dispose of METASONO heated insoles, do not put the battery in the trash or retail recycling boxes. Call your household hazardous waste center first and ask whether it accepts defective batteries. If not, contact your municipality. EPA says to bag each battery and tape its terminals.

How Do I Report a METASONO Heated Insoles Injury?

To report a METASONO heated insoles injury, use SaferProducts.gov, where the public can file and read complaints about consumer products. CPSC asks anyone who had a safety incident with the insoles to report it there.

References

1. https://www.cpsc.gov/Warnings/2026/CPSC-Warns-Consumers-to-Stop-Using-METASONO-MEATSONO-Heated-Insoles-Immediately-Due-to-Risk-of-Serious-Burn-Injury-from-Fire-Hazard
2. https://www.federalregister.gov/documents/2026/06/24/2026-12749/safety-standard-for-lithium-ion-batteries-used-in-micromobility-products-and-electrical-systems-of
3. https://www.epa.gov/recycle/used-lithium-ion-batteries