---
product_id: 3797019
title: "N-Ferno 6970 Balaclava with Detachable Heat Exchanger Face Mask, Winter Ski Mask, Black"
brand: "ergodyne"
price: "฿5654"
currency: THB
in_stock: true
reviews_count: 11
category: "Ergodyne"
url: https://www.desertcart.co.th/products/3797019-n-ferno-6970-balaclava-with-detachable-heat-exchanger-face-mask
store_origin: TH
region: Thailand
---

# removable heat exchanger anti-fog adjustable nose clip 320g fleece warmth N-Ferno 6970 Balaclava with Detachable Heat Exchanger Face Mask, Winter Ski Mask, Black

**Brand:** ergodyne
**Price:** ฿5654
**Availability:** ✅ In Stock

## Summary

> ❄️ Warmth that works as hard as you do — conquer winter without compromise!

## Quick Answers

- **What is this?** N-Ferno 6970 Balaclava with Detachable Heat Exchanger Face Mask, Winter Ski Mask, Black by ergodyne
- **How much does it cost?** ฿5654 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/3797019-n-ferno-6970-balaclava-with-detachable-heat-exchanger-face-mask)

## Best For

- ergodyne enthusiasts

## Why This Product

- Trusted ergodyne brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Fog-Free Vision:** Adjustable nose clip seals out cold air, eliminating fog on glasses and ski goggles—see clearly, always.
- • **Breathe Easy Tech:** Removable heat exchanger warms and humidifies inhaled air, preventing lung shock in brutal cold.
- • **Versatile Layering:** Detachable face mask adapts from moderate chills to Arctic blasts; fits under helmets and hard hats seamlessly.
- • **Extreme Cold Defense:** 320g thermal fleece locks in warmth from face to neck for all-day comfort in subzero temps.
- • **Stay Seen, Stay Safe:** Reflective accents boost visibility during low-light outdoor work or winter sports—because safety never goes out of style.

## Overview

The Ergodyne N-Ferno 6970 Balaclava is a high-performance winter face mask featuring 320g thermal fleece for full head and neck coverage, a patented removable heat exchanger that warms inhaled air for extreme cold conditions, and an adjustable nose clip to prevent eyewear fogging. Designed for professionals and outdoor enthusiasts, it offers versatile wear with reflective safety accents and fits comfortably under helmets or hard hats, making it ideal for demanding cold-weather environments.

## Description

Product Description The Ergodyne N-Ferno 6970 Extreme Balaclava with Hot Rox is a technologically advanced high-performance cold weather mask to combat the damaging effects of breathing in cold air. Warm 320g fleece covers the face, neck and head, while controlling moisture to keep you dry and warm. The built-in, removable heat exchanger warms the air before it gets to your face for easier breathing in extreme cold. The adjustable nose clip prevents eyewear from fogging, and the adjustable face mask is removable with hook-and-loop attachments. Reflective accents offer visibility at night or in low-light conditions. Patented design. One size fits most and can be worn alone or under hard hats, ski helmets or other head protection. This winter face mask is perfect for those who work in construction, freight/baggage, drilling/mining, oil/gas refining, iron/steel, delivery/service, landscaping/grounds, warehousing, and working in refrigerated areas. Can also be worn as a ski face mask or worn hunting, climbing, running, cycling, boating, skating or other outdoor sports. From the Manufacturer The N-Ferno Extreme Series doesn't give a rat's rear end how bad the Ice Age wants to freeze your hot-blooded heart. It offers 3-layer, noggin lovin', heart warmin' performance to keep you comfy when Old Lady Nature is bringing her worst. N-Ferno Warming Products include winter liners and other head wear designed to keep workers warm and comfortable. We've got versions for cool, cold, and extreme conditions with hi-tech fabrics and superior features for reliable warmth from ear-to-ear. In fact, most liners have pockets next to the ears to hold warming packs.

Review: Works great but drips condensed moisture - I bought this to wear while riding my bike in the winter. If the temperature is 20 F or above I wear a regular balaclava but when the temperature drops below 20 F, I wanted something warmer. The heat exchanger works wonders. I used this today when the air temperature was -9 F (-28 F with the wind chill index). I wore ski goggles over the top of the N-Ferno 6970 and I tucked the neck of the balaclava into my ski jacket. With this combination of gear, I did not have any exposed skin and I could both see and breath just fine. While riding my bike I was exerting a lot of energy and breathing heavy at times (going up inclines). The heat exchanger warmed and humidified the air so my lungs never felt like they were getting blasted with cold air (the weather advisory on the radio was warning people to not breath deeply and to minimize talking if they had to be outside today). The ONLY thing I didn't like was that some of the moisture from my breath was condensing and dripping from the mask. That is a really minor problem and I don't think there is any way to avoid it. I would HIGHLY recommend this mask to anyone who rides or works outside in extreme cold.
Review: Works very well with glasses and ski goggles - Fine with my glasses. you can bend the nose area for a better seal. I found that the key is to pull the balaclava portion over my nose, not leave it under the chin, then attach the exchanger, which by the way, can attach to other balaclavas. My glasses did not fog up. I also tried it with my Over-The-Glasses ski goggles and it worked fine. Typically, my regular glasses fog up before the OTG goggles do, but they never did with the N-Ferno.. I tested the N-Ferno 6970 Extreme Balaclava in 23 degree weather with 40-45 mph winds with no hat. In those conditions, my head got a bit cold, but my face and ears were toasty. I would wear it with a ski hat or helmet in the future. Overall, it is the best "heat-moisture" exchanger balaclava I have used, and I have a couple other types in my outdoor clothing arsenal.

## Features

- Manmade and Natural materials
- Imported
- HEAT EXCHANGER – Provides warm air inhalation for extreme cold conditions
- FORM-FITTING FACE MASK – Adjustable nose clip keeps cold air out and prevents eyewear from fogging
- VERSATILE WEAR – Removeable face mask for moderate to cold conditions
- LONG LENGTH – Full thermal head & neck coverage that easily tucks into jackets
- REFLECTIVE ACCENTS – Help keep wearers seen and safe

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0091CC38A |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #461,703 in Clothing, Shoes & Jewelry ( See Top 100 in Clothing, Shoes & Jewelry ) #782 in Men's Balaclavas |
| Color | Black |
| Customer Reviews | 3.9 3.9 out of 5 stars (658) |
| Date First Available | March 15, 2010 |
| Included Components | Unit^Instruction Guide |
| Is Discontinued By Manufacturer | No |
| Item Package Quantity | 1 |
| Item Weight | 5.4 ounces |
| Item model number | 6970 |
| Manufacturer | Ergodyne |
| Material | Polyester |
| Part Number | 6970 |
| Pattern | Solid |
| Product Dimensions | 4.25 x 0.01 x 8.25 inches |
| Size | One Size |
| Special Features | Adjustable |
| Style | Hot Rox Heat Exchanger Face Mask |
| Thickness | 1 Inches |
| Warranty Description | We stand behind everything we make and guarantee our products to be free of defects in materials and workmanship to the original purchaser for the lifetime of the product. That said, damage, abuse, and/or normal wear are not covered. |

## Images

![N-Ferno 6970 Balaclava with Detachable Heat Exchanger Face Mask, Winter Ski Mask, Black - Image 1](https://m.media-amazon.com/images/I/71RVL3fME+L.jpg)

## Questions & Answers

**Q: Where does the moisture in your breath go? Does it drip on to you?**
A: I never had any moisture drip on me.  The face cover is removable and partially rigid.  It sets slightly away from your nose and mouth so moisture does not really collect anywhere.  The sides of the face cover are cloth with some Velcro to fix it to the hood.  I convoyed for an hour and 30 minutes while exposed out of the hatch of a track vehicle in South Korea this past December.  The hood did an awesome job and didn't fog my goggles.

**Q: I have a 7 3/4 hat size.  Is this large enough to be comfortable?
Thanks**
A: Yes it is. I'm a 7 1/4 & still have plenty of room & its comfortable. Plus the face mask is fully adjustable so you won't have any problems.

**Q: does it keep you from breathing in cold air?**
A: Don't think so, but I returned mine because it was too small. Wasn't cold enough last fall to test. Good luck.

**Q: Anyone have suggestions for cleaning the face mask?**
A: I use the wipes that you clean your hands with.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Works great but drips condensed moisture
*by J***. on January 31, 2019*

I bought this to wear while riding my bike in the winter. If the temperature is 20 F or above I wear a regular balaclava but when the temperature drops below 20 F, I wanted something warmer. The heat exchanger works wonders. I used this today when the air temperature was -9 F (-28 F with the wind chill index). I wore ski goggles over the top of the N-Ferno 6970 and I tucked the neck of the balaclava into my ski jacket. With this combination of gear, I did not have any exposed skin and I could both see and breath just fine. While riding my bike I was exerting a lot of energy and breathing heavy at times (going up inclines). The heat exchanger warmed and humidified the air so my lungs never felt like they were getting blasted with cold air (the weather advisory on the radio was warning people to not breath deeply and to minimize talking if they had to be outside today). The ONLY thing I didn't like was that some of the moisture from my breath was condensing and dripping from the mask. That is a really minor problem and I don't think there is any way to avoid it. I would HIGHLY recommend this mask to anyone who rides or works outside in extreme cold.

### ⭐⭐⭐⭐⭐ Works very well with glasses and ski goggles
*by J***R on January 14, 2016*

Fine with my glasses. you can bend the nose area for a better seal. I found that the key is to pull the balaclava portion over my nose, not leave it under the chin, then attach the exchanger, which by the way, can attach to other balaclavas. My glasses did not fog up. I also tried it with my Over-The-Glasses ski goggles and it worked fine. Typically, my regular glasses fog up before the OTG goggles do, but they never did with the N-Ferno.. I tested the N-Ferno 6970 Extreme Balaclava in 23 degree weather with 40-45 mph winds with no hat. In those conditions, my head got a bit cold, but my face and ears were toasty. I would wear it with a ski hat or helmet in the future. Overall, it is the best "heat-moisture" exchanger balaclava I have used, and I have a couple other types in my outdoor clothing arsenal.

### ⭐⭐⭐⭐ Warm
*by L***A on January 11, 2026*

It fits well and is very warm. I'm not a big fan of velcro through. It's starting to give. Maybe put an adjustable strap on it to go around your head? I would also like to easily add some kind of N95 to keep out viruses in the cold.

## Frequently Bought Together

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*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-02-28*