Here are some facts about wool that you may not know. *Wool is not only reusable but also biodegradable *Sheep Wool has natural UV protection built right in *Wool is composed of the same protein that makes up the outer protective layer of your skin and works in total harmony with the body’s own protection mechanisms. *Wool is naturally non-allergenic (Allergic reactions are either due to lanolin, or the harsh and toxic chemicals used to treat it) *Wool is a natural moisture repellent making it mildew and mold resistant. *Wool is a negative ion and protects from electrical magnetite waves.