It fits the dog very closely, although there is a thick undercoat that insulates these dogs from the weather.It's an interesting fact that Welshes are born black, and the coat begins to lighten somewhat with age.
Believe it or not, the earth actually insulates the plant's roots and offers some buffer against the cold.
Krabbe disease: an inherited disorder characterized by a deficiency of the enzyme galactosylcereamidase, resulting in destruction of myelin, the fatty material that surrounds and insulates many of the nerves.
Made from cotton, Lycra and viscose, Thermalwear insulates the body from the cold while providing a comfortable fit.
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