HIGH

Fieldsheer Recalls Heated Socks MWMS07 MWWS07 MWMS05 for Burn Hazard (2025)

Fieldsheer Apparel Technologies is recalling heated socks MWMS07, MWWS07 and MWMS05. The recall covers socks sold with two lithium-ion battery packs and a charging cable. Consumers should stop using the product and contact Fieldsheer for a refund or replacement.

Quick Facts at a Glance

Recall Date
August 7, 2025
Hazard Level
HIGH
Brand
Fieldsheer Apparel Technologies
Category
Clothing & Textiles
Sold At
Unknown
At-Risk Groups
GENERAL

Product Images

Recalled Fieldsheer Apparel Technologies Heated Socks – Model MWMS05 – Merino in black/gray
Recalled Fieldsheer Apparel Technologies Heated Socks – Model MWMS05 – Merino in black/gray
Recalled Fieldsheer Apparel Technologies Heated Socks – Model MWMS05 – Merino in black/gray
Recalled Fieldsheer Apparel Technologies Heated Socks – Model MWMS05 – Merino in black/gray
Recalled Fieldsheer Apparel Technologies Heated Socks – Model MWWS07 – Premium 2.0 Merino in gray/pink
Recalled Fieldsheer Apparel Technologies Heated Socks – Model MWWS07 – Premium 2.0 Merino in gray/pink
Recalled Fieldsheer Apparel Technologies Heated Socks – Model MWWS07 – Premium 2.0 Merino in gray/pink
Recalled Fieldsheer Apparel Technologies Heated Socks – Model MWWS07 – Premium 2.0 Merino in gray/pink
Recalled Fieldsheer Apparel Technologies Heated Socks – Model MWMS07 – Premium 2.0 Merino in black/orange
Recalled Fieldsheer Apparel Technologies Heated Socks – Model MWMS07 – Premium 2.0 Merino in black/orange
Recalled Fieldsheer Apparel Technologies Heated Socks – Model MWMS07 – Premium 2.0 Merino in black/orange
Recalled Fieldsheer Apparel Technologies Heated Socks – Model MWMS07 – Premium 2.0 Merino in black/orange
Recalled Fieldsheer Apparel Technologies Heated Socks – Model MWMS07 – Premium 2.0 Merino in gray/orange
Recalled Fieldsheer Apparel Technologies Heated Socks – Model MWMS07 – Premium 2.0 Merino in gray/orange
Recalled Fieldsheer Apparel Technologies Heated Socks – Model MWMS07 – Premium 2.0 Merino in gray/orange
Recalled Fieldsheer Apparel Technologies Heated Socks – Model MWMS07 – Premium 2.0 Merino in gray/orange

Hazard Information

The socks can cause pain and discomfort resulting in burns and blisters when worn during high-intensity activities that generate a combination of heat, excessive friction, moisture and pressure, posing an injury hazard.

What You Should Do

return it for a full refund. Fieldsheer Apparel Technologies toll-free at 888-908-6024 from 8 a.m. to 4 p.m. PT Monday through Friday, email at cs@fieldsheer.com, or online at https://fieldsheer.com/pages/recall-information or https://fieldsheer.com and click on "Recall Information" for more information.. Consumers should immediately stop using the heated socks and contact Fieldsheer Apparel Technologies for a full refund or replacement product of equal value. Consumers should dispose of the lithium-ion battery packs in accordance with applicable laws and regulations.. Available options: Refund, Replace

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About This Product

Fieldsheer heated socks combine merino wool with integrated lithium-ion battery packs to provide adjustable heat during cold-weather or outdoor activities.

Why This Is Dangerous

The design can cause overheating leading to burns or blisters due to heat, friction, moisture and pressure during high-intensity use.

Industry Context

This recall is not described as part of a broader industry pattern in the notice.

Real-World Impact

Consumers may experience skin injuries if they continue wearing the product during intense activity. The recall provides a remedy to stop use and obtain a refund or replacement.

Practical Guidance

How to identify if yours is affected

  1. Check if you own MWMS07, MWWS07, or MWMS05 models.
  2. Inspect battery packs for MW37V22-N (Bluetooth) or MW37V122.
  3. Look for the Fieldsheer logo in orange on the sock front.

Where to find product info

Model numbers are printed on the top left corner of the label on the back of the battery pack.

What timeline to expect

Refunds or replacements are processed after verification; typical timelines are 4-6 weeks.

If the manufacturer is unresponsive

  • Escalate to consumer protection agencies if the company is unresponsive.
  • Keep records of all contact attempts and correspondence.

How to prevent similar issues

  • Verify product recalls before use.
  • Avoid using rechargeable battery packs in moisture-heavy environments.
  • Check for proper certification and follow disposal laws for Li-ion batteries.

Documentation advice

Keep receipts, serial numbers, photos of the product and packaging, and copies of all email or call logs.

Product Details

Models MWMS07, MWWS07, MWMS05. Colors Black/Gray, Gray/Orange, Gray/Pink, Black/Orange. Sizes Small through Extra Large. Includes two lithium-ion battery packs and a charging cable. MWMS05 includes battery pack MW37V122 and a four-button remote control. MWMS07 and MWWS07 include Bluetooth battery packs MW37V22-N. Model numbers printed on the top left corner of the label on the back of the battery pack. Fieldsheer logo orange on the front of each sock. Sold at Unknown. When sold Unknown. Price Unknown.

Reported Incidents

No injuries or incidents have been reported.

Key Facts

  • MWMS07, MWWS07, MWMS05 models recalled.
  • Includes two lithium-ion battery packs per sock and a charging cable.
  • MWMS05 includes MW37V122 battery pack and a four-button remote.
  • MWMS07 and MWWS07 include Bluetooth battery packs MW37V22-N.
  • Battery pockets have a slit or a black/gray zipper.
  • Fieldsheer logo appears in orange on the front of each sock.

Browse More Recalls

Safety Guide

Not sure what to do next? Our guide walks you through the process step by step.

Read: How to Get Refunds and Replacements

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Safety Assessment

Risk LevelHIGH
Severity Score
8/ 10
Affected Groups
GENERAL
Injury Types
BURNOTHER

Product Details

Model Numbers
MWMS07
MWWS07
MWMS05
Report Date
August 7, 2025
Recall Status
ACTIVE

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