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Heated Insole Lawsuit Overview

Heated insole and foot warmer lawsuits are being filed on behalf of consumers left with serious burn injuries that were allegedly caused by defective, battery-powered heated socks or insoles, which overheated or caught fire during normal use.

A variety of different products have been sold by Amazon and other retailers in recent years, which are designed to provide warmth inside shoes and boots during cold weather. These heated insoles or foot warmers are often marketed for outdoor work, winter recreation, hunting, skiing, and daily use in cold conditions. Most models rely on rechargeable batteries and internal heating elements that sit directly beneath or against the foot.

Unlike external warming devices, heated insoles are worn inside enclosed footwear, limiting airflow and making it difficult for users to react quickly if a malfunction occurs. Lawsuits allege that when failures happen, excessive heat can build rapidly, causing severe burns before the product can be removed.

According to lawsuits filed to date, reported incidents have resulted in second- and third-degree burns to the feet and toes, melted insole material adhering to skin, and injuries requiring emergency treatment, surgery, and skin grafts. Some individuals report lasting pain, scarring, nerve sensitivity, and difficulty walking or wearing normal shoes following the injuries.

Heated insole lawsuits allege that manufacturers and sellers failed to properly design, test, and warn about the fire risks associated with these products. Several complaints name Amazon as a defendant, asserting the company should be held accountable for selling and distributing defective heated insoles through its marketplace, allegedly ignoring potential safety concerns linked to the products.

Who Can File a Heated Insole Lawsuit?

Financial compensation may be available through a heated insole lawsuit settlement for individuals left with burn injuries after using battery-powered foot warmers or heated socks, which have been linked to reports of:

• Second- or third-degree burns to the feet or toes
• Permanent scarring, nerve damage, or loss of sensation
• Reduced mobility or difficulty walking following burn injuries
• Injuries requiring emergency treatment, hospitalization, or surgery
• Skin grafts or reconstructive procedures related to foot burns
• Extended recovery periods, physical therapy, or rehabilitation
• Time away from work due to burn-related limitations
• Ongoing pain or functional impairment after the incident

To determine whether you or a family member may qualify for a heated insole lawsuit, submit your information for a free case evaluation. An attorney can review your case, help identify the product involved, and explain your legal rights.

All claims are handled on a contingency fee basis, meaning there are no upfront costs to hire a heated insole injury lawyer, and there are no attorney fees unless compensation is recovered.

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2026 Heated Insole Lawsuit Updates

• January 5, 2026 Update: Attorneys are investigating heated insole burn injury claims following multiple lawsuits and recent CPSC safety warnings involving products sold on Amazon. Claims focus on allegations that battery-powered heated insoles overheated or caught fire during normal use, causing serious burns that required surgery and long-term treatment.
• September 4, 2025 Update: Federal safety officials issued a second warning over Tajarly heated insoles after reports of fires and burn injuries, including incidents requiring extended hospital stays. The CPSC warned that the lithium-ion batteries could overheat and ignite during normal use, even when powered off. The insoles were sold on Amazon for up to $320, adding to scrutiny over the safety of battery-powered heated footwear sold through online marketplaces.
• July 10, 2025 Update: The U.S. Consumer Product Safety Commission issued a safety warning urging consumers to immediately stop using iHeat foot warmers after receiving multiple reports of fires, explosions, and serious burn injuries. Federal regulators said the lithium-ion batteries inside the insoles could ignite even when the devices were turned off. The products were sold on Amazon for nearly two years before the warning, raising concerns about consumer exposure to defective heated insoles linked to severe foot burns.

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Lawsuits Over Defective Heated Insoles

Lawsuits allege that certain heated insoles and foot warmers were defectively designed and unreasonably dangerous for their intended use, posing a serious risk of burn injuries when worn inside shoes or boots. The claims focus on battery-powered insoles that allegedly overheated, ignited, or malfunctioned during normal use, without warning to the wearer.

How Can Heated Insoles Catch Fire?

According to the lawsuits, many heated insoles rely on internal lithium-ion batteries and heating elements positioned directly beneath the foot, creating a concentrated heat source inside enclosed footwear where heat can build quickly and go unnoticed.

The complaints allege that some heated insoles lack adequate temperature controls, thermal shut-off mechanisms, and insulation, increasing the risk that a malfunction can cause excessive heat or ignition before the product can be removed. In certain incidents, the insoles are alleged to have overheated, ignited, or melted, allowing heated material to adhere to the skin and significantly worsen burn injuries.

The complaints allege failures in manufacturing, quality control, and product testing allowed defective heated insoles to reach consumers in an unsafe condition. According to the claims, safer alternative designs and additional safety safeguards were available but were not implemented.

Together, these allegations form the basis of product liability lawsuits being filed against the manufacturers, as well as Amazon, that heated insoles and foot warmers were unreasonably dangerous as sold, leading to serious burn injuries and long-term harm when used for their intended purpose.

Heated Insole Products Named in Lawsuits

Lawsuits filed so far have identified specific heated insole products and sellers, while also raising broader concerns about similar foot warmers sold through online marketplaces.

Products and sellers named in current litigation include:

• Imported heated insoles manufactured overseas – Including products made by foreign manufacturers that may be difficult to identify or hold accountable in U.S. courts
• Heated insoles sold on Amazon – Lawsuits allege Amazon acted as a seller or distributor by marketing, storing, and shipping heated insoles that later caused burn injuries
• CooWalk heated insoles – Products allegedly designed, manufactured, and sold by overseas companies, including Shenzhen-based manufacturers, and sold through Amazon
• Meisinuo heated insoles – Battery-powered heated insoles named in litigation after reportedly overheating and catching fire during normal use
• Rechargeable heated insoles with remote controls – Products accused of lacking adequate temperature regulation or shut-off features
• Private-label or generic heated insoles sold online – Often marketed under unfamiliar or frequently changing brand names by third-party sellers

Amazon Heated Insole Lawsuits

Several heated insole lawsuits name Amazon as a defendant based on allegations that the company played a direct role in selling and distributing the products that allegedly caused burn injuries.

According to the complaints, Amazon did more than simply host third-party listings. The lawsuits allege Amazon advertised the heated insoles, processed customer payments, stored the products in its warehouses, and shipped them to consumers through its Fulfilled by Amazon (FBA) program. Plaintiffs argue this level of involvement places Amazon in the role of a seller or distributor under product liability laws.

The lawsuits further allege Amazon exercised control over product availability and post-sale safety measures, including whether products remained listed for sale, how safety complaints were handled, and whether warnings or notifications were provided to consumers. In some cases, plaintiffs claim Amazon received reports of similar incidents involving heated insoles overheating or catching fire before later injuries occurred.

Because many heated insoles are manufactured by foreign companies that may be difficult to identify or bring into U.S. courts, the lawsuits argue Amazon should bear responsibility as a domestic entity that introduced the products into the stream of commerce. The claims assert that consumers relied on Amazon’s marketplace, fulfillment services, and safety representations when purchasing the products.

Heated Sock Burn Injury Lawsuits Under Investigation

While current lawsuits have primarily focused on heated insoles worn inside shoes, attorneys and safety officials are also investigating burn injuries linked to heated socks and other battery-powered foot warmers that rely on similar lithium-ion battery technology.

Heated socks contain internal heating elements powered by rechargeable lithium-ion batteries, typically positioned near the ankle or lower leg. Like heated insoles, they are worn in close contact with the body for extended periods during outdoor activities such as skiing, snowboarding, and winter hiking.

Concerns about heated socks have grown following documented cases of serious thermal injuries caused by battery malfunctions. In a peer-reviewed 2024 medical case report, a healthy 43-year-old man suffered a full-thickness burn to his lower leg after wearing lithium-ion battery-powered heated socks while skiing. The individual reported no warning sensation during use and only discovered the injury after removing the sock, where the battery pack had been positioned. The burn required surgical debridement and months of wound care to heal.

Although most lawsuits filed to date have involved heated insoles, attorneys are also investigating claims against manufacturers and sellers of heated socks over similar overheating risks and inadequate warnings.

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Heated Insole Burn Injuries

According to court filings and consumer safety warnings, heated insole lawsuits involve allegations of serious burn injuries caused when battery-powered insoles overheated or caught fire during normal use. Reported injuries include:

• Second- and third-degree burns to the feet or toes
• Burns to the soles, sides, or tops of the feet
• Melted insole material adhering to skin
• Severe pain, swelling, and blistering
• Permanent scarring or disfigurement
• Nerve damage or loss of sensation
• Reduced mobility or difficulty walking
• Infections or complications requiring additional treatment
• Emergency medical care or hospitalization
• Surgical treatment, including skin grafts or reconstructive procedures

Common Treatment For Heated Insole Burns

Burn injuries reported in heated insole lawsuits often involve second- or third-degree burns to the feet and toes, which can damage multiple layers of skin and underlying tissue due to prolonged heat exposure inside enclosed footwear. Treatment for these injuries may include:

• Emergency medical care for pain control and wound stabilization
• Hospitalization for burn monitoring and infection prevention
• Surgical procedures, including skin grafts for severe burns
• Ongoing wound care and follow-up treatment
• Physical therapy to restore mobility and function
• Treatment for scarring or long-term nerve sensitivity

In addition to physical recovery, individuals injured by heated insoles may face prolonged pain, limited mobility, and extended time away from work. These injuries have led some consumers to pursue lawsuits seeking compensation for medical costs and long-term effects linked to allegedly defective products.

CPSC Heated Insole Warnings

The U.S. Consumer Product Safety Commission (CPSC) has issued multiple warnings over problems with heated insoles, which have been linked to reports of severe burn injuries and fire hazards, including incidents involving products sold through online marketplaces.

iHeat Heated Insoles Sold on Amazon Linked to Burn Injuries

On July 10, 2025, the CPSC issued an iHeat safety warning urging consumers to immediately stop using iHeat heated insoles after determining the products posed a serious risk of burn injury and fire. According to the agency, the internal lithium-ion battery in the heated insoles can explode and ignite, even when the device is not actively in use.

The warning followed 11 reports of fires, explosions, and other thermal incidents involving the heated insoles. At least eight of those reports involved burn injuries, including second- and third-degree burns, according to the CPSC.

The defective heated insoles were sold on Amazon from November 2022 through July 2024 for prices ranging between $48 and $80. The products were manufactured in China and sold in black and red versions, powered by a remote-controlled lithium-ion battery. The brand name “iHeat” is printed on the sole of the black insoles and appears on purchase receipts for both versions.

The manufacturer, Zhangfengqing, doing business as iHeat, is based in China and was reported to be unresponsive to CPSC requests for information regarding the product or a potential recall.

Due to the risk posed by the lithium-ion batteries, the CPSC advised consumers to immediately dispose of the defective heated insoles following local household hazardous waste disposal procedures. The agency warned consumers not to place the products in household trash or standard recycling streams, citing the elevated fire risk associated with defective lithium-ion batteries.

Tajarly Heated Insoles Warning Over Fire & Burns

On September 4, 2025, the U.S. Consumer Product Safety Commission (CPSC) issued a Tajarly heated insole warning, urging consumers to immediately stop using Tajarly heated insoles after determining the products posed a serious risk of burn injury and fire. According to the agency, the internal lithium-ion battery can overheat and ignite, even when the insoles are turned off.

The warning followed four reports of ignition, fires, and other thermal incidents involving the defective heated insoles. All reported incidents resulted in burn injuries, including two cases that required extended hospital stays, according to the CPSC.

The defective heated insoles were sold on Amazon from July 2022 through July 2024, with prices ranging from $33 to $320. The products are black in color, contain a lithium-ion battery, and are operated by a remote control. The brand name “Tajarly” is printed on the sole and appears on purchase receipts.

The insoles were manufactured in China by Shenzhen Tejiali Technology Co., which the CPSC reported was unresponsive to requests for a recall or additional product safety information.

Due to the fire hazard associated with defective lithium-ion batteries, the CPSC advised consumers to immediately dispose of the heated insoles in accordance with local household hazardous waste disposal procedures. The agency warned consumers not to place the products in household trash, standard recycling bins, or retail battery recycling boxes because of the elevated risk of fire.

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Allegations Raised in Heated Insole Lawsuits

Lawsuits filed in federal court raise consistent product liability and negligence claims against manufacturers and sellers of heated insoles. According to the complaints, common allegations include:

• Negligent Distribution by Amazon: Amazon is alleged to have stored and shipped heated insoles through its marketplace and fulfillment services, placing it in the role of a seller or distributor.
• Continued Sales Despite Reported Incidents: Complaints allege Amazon received reports of similar overheating or fire incidents involving heated insoles before later injuries occurred, yet continued to allow the products to be sold.
• Defective Design: Lawsuits allege the heated insoles were designed with defective lithium-ion batteries and heating elements positioned directly beneath the foot, creating a confined heat source inside enclosed footwear that made overheating, ignition, or melting a foreseeable risk during normal use.
• Lack of Safety Controls: The products allegedly lacked adequate temperature regulation, thermal shut-off mechanisms, and insulation to prevent dangerous heat buildup or fire.
• Failure to Warn: Plaintiffs allege the insoles were sold without sufficient warnings about the risk of overheating, ignition, or serious burn injuries, despite being worn in direct contact with the body.
• Manufacturing and Quality Control Failures: The lawsuits claim defects in manufacturing, assembly, or quality control allowed unsafe heated insoles to reach consumers.
• Inadequate Testing: Complaints allege the products were not properly tested to ensure they could be safely used inside enclosed footwear under normal conditions.

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Heated Insole Lawsuit Examples

Amazon Heated Insole Lawsuit

Joni Caddell filed a heated insole lawsuit (PDF) in the U.S. District Court for the Western District of Oklahoma on December 3, 2025, alleging that battery-powered insoles purchased through Amazon exploded and caught fire during normal use, causing severe burn injuries.

According to the complaint, Caddell placed the heated insoles into lace-up boots for their intended purpose, but the insoles allegedly ignited after only a few steps, resulting in burns that required immediate medical treatment.

The lawsuit alleges the heated insoles were defectively designed and unreasonably dangerous, claiming they lacked adequate safety features and warnings to prevent overheating or fire. The complaint further alleges Amazon recommended, marketed, stocked, stored, and sold the heated insoles through its marketplace and Fulfilled by Amazon program, placing the company in the role of a seller or distributor responsible for product safety.

Heated Insole Burn Injury Lawsuit

Jennifer L. Monnier filed a complaint (PDF) in the U.S. District Court for the District of Colorado, alleging that battery-powered heated insoles purchased through Amazon overheated and burst into flames during normal use, causing severe burn injuries to her foot. According to the complaint, Monnier was wearing winter hiking boots with the heated insoles activated when the insole in her right boot allegedly ignited while she was walking, producing smoke and intense pain.

The lawsuit alleges the heated insole melted and adhered to her skin, causing serious burns that required emergency treatment, prolonged wound care, and multiple surgical procedures, including skin grafts and reconstructive treatment. The complaint describes lasting pain, limited mobility, and difficulty wearing normal footwear following the incident.

Monnier’s lawsuit claims the heated insoles were defectively designed and unreasonably dangerous, alleging they lacked adequate temperature controls, thermal shut-off mechanisms, and warnings about the risk of overheating and fire. The complaint further alleges Amazon advertised, stored, and shipped the heated insoles through its Fulfilled by Amazon program and continued selling the product despite receiving reports of similar burn injuries involving the same or similar heated insoles before Monnier’s injury occurred.

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Start A Heated Insole Burn Injury Lawsuit

If you or a loved one suffered burns or other injuries caused by a defective heated insole or foot warmer, you may be entitled to financial compensation.

Burn injury lawyers are investigating claims for individuals who purchased any heated insole or foot warmer products and suffered burn injuries as a result of a potentially defective design.

Heated Insole burn injury lawyers handle all cases on a contingency-fee basis, meaning there are no upfront costs and no legal fees unless a recovery is obtained through settlement or trial