Hand-woven wool according to the old practices. Undyed sheep wool. manually sheared wool, cleaning and drying in the sun. Stock in Czech republic. 

Following is the process how is wool cloth made.

Collection of Raw Wool from Mountains

Sorting of Wool to Separate Colors and Verities

Cleaning of Wool to remove soil and other elements

Drying of Wool in Sun light. Sometimes ash is mixed in wool to remove fates from wool

Carding of Wool with Electric Carding Machine to make at soft and suitable for thread making

Spinning of Wool by females using manual spinning wheel