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Ergodyne: Tenacious Work Gear. Established 1983.
Ergodyne®: Tenacious Work Gear. Established 1983.

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COLD STRESS & COLD-RELATED ILLNESSES

As cold weather patterns become more unpredictable, no region is immune to a debilitating Polar Vortex—making it more important than ever to be able to identify common cold stress injuries, treatments and how to prevent them in the first place.

  • The Risk
  • Layering Guide
  • Resources
  • FAQ

COMMON COLD STRESS INJURIES

Learn the symptoms the treatment, and how to prevent these potentially life-threatening illnesses.

Frost Bite

How It Happens

Blood leaves extremities to protect vital organs

Symptoms

White/gray/blue skin, cold/hard/waxy skin, itching, burning, numbness, blistering

How to Treat It

Move to warm area, place extremities in warm water or wrap in warm blanket, seek medical attention.

Hypothermia

How It Happens

Core body temperature falls below 95° F (35° C)

Symptoms

Shivering, poor coordination, confusion, slurred or slowed speech, hallucinations

How to Treat It

For mild cases, move to warm area and stay active. For moderate to severe cases, seek medical attention.

Dehydration

How It Happens

Not drinking enough fluid to replace what is lost

Symptoms

Fatigue, lightheadedness, muscle cramps, confusion, dark & strong-smelling urine

How to Treat It

Replace lost fluids and electrolytes with water, sports drinks or juice. Drink 5-7 ounces every 15-20 minutes throughout the day.

COLD STRESS PREVENTION

BETTER LIVING THROUGH LAYERING

Working safely in bitter cold conditions requires planning, regular breaks to warm up and layering up in the right PPE.

What is the best layering for cold weather?

What you might not know, is that the number one problem workers have when working out in cold conditions is actually overheating. That's because once you start working and you do not have a smart layering system, there is no place for that heat to go. And you're in for a sweaty spiral of regret. No single magic garment can adapt like a proper layering system.

Long sleeve top

Base Layers

Starting with a moisture-wicking, quick-drying layer is key.

Sweatshirt

Mid Layers

Traps body heat + allows workers to remove or add layers as needed.

Jacket

Outer Layers

Durable, breathable layer made to stand up to tough use and provide added warmth.

Person putting on base layer pants

Base Layers

Goal

A moisture-wicking, quick-drying layer

What They Do

Allow sweat and moisture to escape to prevent overheating

Base Layers

Mid Layers

Goal

Allows workers to remove or add layers as needed

What They Do

Traps body heat

Person putting jacket on over their mid layers

Mid Layers

Person outside on a cold night in hi-vis thermal gera

Outer Layers

Goal

A durable, breathable and weather-resistant layer

What They Do

Protects from the elements and provides added warmth

Outer Layers

RESOURCES

GET SMART ON COLD STRESS

Videos, articles, toolbox talks and more… it’s a veritable blizzard of ready-to-share resources to keep crews safe and productive in the cold.

Videos

View full transcript ▶
Understanding the Temperature Ratings of Your Thermal Gear
View full transcript ▶
Building A Cold Weather Layering System for Winter Work
View full transcript ▶
Warm Hands, Tough Protection: Winter Crews Rely on Ergodyne's ProFlex Gloves to Conquer the Cold
View full transcript ▶
Tread Boldly Indoors & Outdoors with TREX Spikeless Traction Powered by Michelin Tire Technology
View full transcript ▶
Demand the Safety to do Great Things: Minnesota’s Winter Warriors
View full transcript ▶
How to Activate Toe, Foot and Hand Warmers to Prepare for Winter
View All Cold Stress Videos

Podcast

VIEW TRANSCRIPT
// View Video
View Transcript
// View Video
VIEW TRANSCRIPT
// View Video
View Transcript

Safety Tips

Winter worker

Winter Headwear Options: What’s Best for Exposures & Risks When Baby, It’s Cold Outside?

The ole noggin’—and your face, nose, ears and neck—are the parts of the body most exposed to Mother Nature’s winter arsenal of cold temperatures, snow, ice, wind, sleet, hail and wicked mixtures of all the above.
Ergodyne Trex Ice Traction

Decreasing Slips, Trips and Falls: How to Choose the Right Traction Device for the Job

If over a quarter century of America’s Funniest Home Videos has taught us anything, it’s that people fall—a lot. But with falls accounting for over 30,000 deaths in the U.S. each year (the third highest among accidental deaths), it’s not always as funny as Bob Saget, Tom Bergeron, Alfonso Ribiero or *insert dad-joke machine here* make it seem.
Cold Weather Gear Guide

Cold Weather Gear Guide: How to Dress for Work in Winter

As smarter approaches to winter work continue to evolve, so does awareness to the causes and dangers of cold-related illnesses. Technological advances in work gear are helping to level the playing field, too. From heat-boosting balaclavas to sure-footed ice traction, here’s a head-to-toe look at how to dress for the deep freeze.
Ergodyne Rain Gear - Worker Driving Machine

Waterproof vs. Water Resistant: How to Choose the Best Work Rain Gear

With cities across the United States and Canada continuing to experience record-high annual precipitation, it’s not really a matter of if you’re going to get wet—it’s when. And for those regularly working outdoors in rain or snow, a solid set of waterproof work gear is invaluable to getting the job done safely.
Working in the Cold

Why Are My Hands Always Cold?: Your Guide To Choosing The Best Winter Work Gloves

How many shifts have ended with your hands feeling cold, wet and numb because your winter work gloves couldn’t do what they’re literally made to do? Well, and bear with us here, what if we told you it’s not always the gloves’ fault?

Case Studies

Ergodyne Ice Carousel - Man Pushing Machine in Cold Snowy Weather

Demand the Safety to Do Great Things: Minnesota's Winter Warriors

Battling Extreme Winter Cold to build the World’s Largest Ice Carousel
Airline baggage worker in vehicle

Finding Traction on the Tarmac: The Half Decade Search for a Scratch-Free Slip Solution

How teaming up with a major airline and MICHELIN®’s winter tire experts led to the industry’s most innovative spikeless traction device

Toolbox Talks

Work/Rest Toolbox Talks

Smart Scheduling For Winter Work Safety – Toolbox Talks

They say you should only worry about stuff you can control. If you’re a safety supervisor, weather is one thing you can’t control—but you can control your crews’ shift schedules. Often overlooked, it’s an easy way to mitigate the side effects of working in a cold environment.
Blog Feature Image

Recognizing Hypothermia, Frostbite And Other Common Cold-related Illnesses – Toolbox Talks

With increasingly unpredictable cold-weather extremes as a backdrop, it’s more important than ever to be able to properly identify and treat the most common cold-related illnesses.

Guides & Documents

temp rating flyer pdf
Sep. 17, 2025
Temperature Rating Flyer
cold stress card pdf
Jul. 14, 2025
Cold Stress Solutions Card (#99857)
ergodyne thermal layering guide pdf
Oct. 12, 2021
Ergodyne Thermal Layering Guide
proflex 850 freezer glove size tool pdf
Feb. 15, 2024
ProFlex 850 Insulated Freezer Glove Size Tool
n ferno hand warming pack data flyer pdf
Sep. 22, 2022
N-Ferno Hand Warming Pack Data Flyer
n ferno balaclava selection tool flyer pdf
Jan. 6, 2026
N-Ferno Balaclava Comparison Chart - Flyer

Gear for Above 0°F

View all Warming Gear Rated for Above 0°F

Gear Rated for -19°F to 0°F

View All Warming Gear Rated for -19°F to 0°F

Gear Rated for -20°F to -60°F

View All Warming Gear Rated for -20°F to -60°F

Thermal Headwear

View All Thermal Balaclavas

Thermal Hats, Headbands and Gaiters

View All Thermal Hats, Headbands and Gaiters

Thermal Hard Hat & Safety Helmet Liners

View All Thermal Hard Hat & Safety Helmet Liners

Thermal Bump Caps

Waterproof Thermal Gloves

View All Waterproof Thermal Gloves

Breathable Thermal Gloves

View All Breathable Thermal Gloves

Insulated Thermal Gloves

View All Insulated Thermal Gloves

Run Extra Cold? Add Instant Warmth

View All Warming Accessories

Anti-Fog Eyewear

View All Anti-Fog Eyewear

Polarized Eyewear

View All Polarized Eyewear

FAQ

There is currently no federal OSHA regulation, but… the General Duty Clause states that employers must provide a safe and healthful workplace for workers.

Layers

At least three layers of loose-fitting clothing

Face mask

A knit mask that covers the face & mouth

Hat

A hat that covers the ears

Gloves

Insulated gloves to protect hands

Boots

Insulated & waterproof boots to protect feet

OSHA COLD STRESS GUIDANCE
Ergodyne: Tenacious Work Gear. Established 1983.


Since 1983, Ergodyne has pioneered the development of products that Make The Workplace A Betterplace.

What started with just one product has grown into a line of top flight, battle-tested, Tenacious Work Gear; all precision crafted to provide protection, promote prevention and manage the elements for workers on job sites the world over.

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