Yaktrax Foot Warmers M/L

Availability: In stock (18)
Delivery time: Expect delivery in 3-7 days

HOW IT WORKS

When exposed to oxygen in the air, the iron filings inside the pouch begin to oxidize creating a rapid rusting process which in turn produces residual heat. Salt acts as a catalyst, while carbon helps to evenly disperse the heat. Vermiculite acts as an insulator that helps prevent the heat from dissipating too quickly. 

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