Natural 100% wool has many waterproof qualities without any treatment, based on the lanolin contained in the fibre.
You could discuss addition additional waterproofing capabilities to a garment with your local dry cleaner.
In its natural state on the sheep or after shearing but before any cleaning, it is very waterproof because of the lanolin (a waxy substance produced by the sheep's sebaceous glands) it contains. After the lanolin is removed, either by lengthy washing or industiral processes, the wool will absorb water quite readily; it can take on fully one-third of its own weight in water.
after is is cut it must be cleaned to make it water proff
loden
Yes
Cloth made from wool is called wool cloth.
Gore-tex
Cloth manufactured of a blend of wool and linen would be called a wool-linen blend, usually with the percentage mix of each fibre indicated on the label.
Weavers use wool to fabricate cloth. Usually, the wool used is also suitable for other needlework and is popularly called yarn.
Shatnez http://en.wikipedia.org/wiki/Shatnez
not waterproof
Umbrellas are made from a synthetic cloth called sail cloth. Several specialty fabrics are made that have a coating on them to make them waterproof.
Proof against penetration or permeation by water; impervious to water; as, a waterproof garment; a waterproof roof., A substance or preparation for rendering cloth, leather, etc., impervious to water., Cloth made waterproof, or any article made of such cloth, or of other waterproof material, as rubber; esp., an outer garment made of such material., To render impervious to water, as cloth, leather, etc.
Raw Sheep's wool contains a fine oil to waterproof the wool and keep it nice and flexible. This oil is called, "Lanolin", and you can buy it at many stores.
A wool weaver is one who weaves with wool, fabricating cloth from wool yarn.
If wool is considered cloth, wool!
Cloth is made from the wool of alpacas.