Feature(may vary by option.)
●#20 in Womens Hiking Socks
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Description
Mizuno 73UW532 Breath Thermo 5 Finger Inner Socks, Womens, Gray, Japan F (One Size Fits All)
From the Manufacturer
■Breath Thermo?
There are many products that absorb moisture and generate heat.
For example, a lunch box that warms just by pulling the string.That heat is caused by water additives to live lime.Breath Thermo is also a material that absorbs and generates heat by humans.This is why it is always dissipating moisture to humans, so it stays warm even when left still.