Place the warmer inside your footwear once it gets very warm. Lasts 5 hours. 

Warmth

To warm up, the warmers need oxygen and humidity.

Ready to use

Open the bag, knead, and wait for 10 minutes. Activate at room temperature.

Fast acting

Blow on the warmer for faster activation at 0°C or altitudes over 2,000 m.

Ease of use

Gives off gentle heat for 5 to 6 hours. Single-use product.

Long-lasting effect

This pack of hand and foot warmers is designed to show you how it can warm up your winter activities.

Condition

reusable

Weather Conditions

Duration of Action

Body Area

Packaging

Place of Practice


1. Take a warmer from the packet and knead the pouch so that oxygen and humidity activate the heating process.
2. Wait 10 minutes for the warmer to reach full warmth before putting it inside your boot.
3. Ideally, activate the warmer at a 20°C air temperature (at home, in the car, etc.).
4. At 0°C or altitudes over 2,000 m, blow on them a few times. The warmth and moisture of your breath will speed up the reaction.

Heating instructions

Avoid these 4 situations: 1. Never stick a warmer directly to the skin.  2. Do not use foot warmers in the car with the heat directed at your feet, or at home in front of a heat source. Warmers provide extra warmth. In warm temperatures, they can generate enough heat to cause burns.

Risk of burns to your feet (1/2) 

3. Not intended for intense sports (like cross-country skiing, figure skating, etc.): perspiration can moisten the compound and trigger an overreaction. Warning: compared to adults, kids’ feet and hands perspire two or three times more during the same activity
.4. Do not adhere the product to the instep: laces sit on this area and the friction speeds up the reaction. Apply warmers to the toe area only.

Risk of burns on your feet (2/2)

The warmer is a mix of activated charcoal powder and iron that produces heat through oxidation. 
The reaction stops:
- When all the activated charcoal is gone. The reaction stops completely after about 5 to 6 hours.
- In an airtight space (in a rubber boot or with neoprene cycling overshoes). 
The reaction starts when the warmer is exposed to air.

How it works

The exothermic reaction begins on the production line:
- The mix is activated and then checked. 
- Once inspected and approved, a pair of foot warmers is inserted in a plastic pouch, which stops the reaction and the heat it generates. The heating reaction restarts when the warmer is exposed to oxygen and humidity again after the pouch is opened.

Good to know

This means that a lack of air suppresses the reaction. If this happens, just remove the warmer, expose it to air, or blow on it to restart the heating process. Then simply put it back in your boot.

What should I do if my warmer stops heating after an hour or so?
What if it doesn’t get warm enough?

The warmer may not be working properly because of:
- a lack of air: in a neoprene overshoe or a rubber boot, for example. 
- extreme conditions: in extreme cold, the warmer provides warmth in addition to the ambient temperature. However, it may not sufficiently warm up in extremely low temperatures.
- an altitude exceeding 3,000 m, where a lack of oxygen limits the reaction.

Troubleshooting

- Feet warmers should only be used for your feet and should not be used on other parts of the body
-Hand warmers should only be used for your hands and should not be used on other parts of the body

Restrictions

Children, the elderly, and persons with disabilities should use this product with caution and supervision.
Persons who have diabetes, delicate or sensitive skin, circulation problems, paralysis, damaged nerves, rheumatoid arthritis, are pregnant, or who have any concerns should consult a physician before using the product.
Do not apply to frostbitten or desensitized skin. 
Do not use while sleeping. 
Do not use in combination with topical analgesics or heating devices.

Precautions

The exothermic reaction consumes the activated charcoal and oxidizes the iron. Once the fuel is spent, the reaction ends and the powder becomes hard.

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Downhill Ski Hand and Foot Warmer Set - 2 packs