Plain and homely; unsophisticated and unpretentious.
Woven in the home.
Spun in the home.
Made from homespun fabric.
Fabric made from homespun yarn. Also, machine made fabrics (usually cottons) similar to homespun fabrics in that solids, plaids, or stripes are created by weaving dyed threads (rather than printing), so that both sides of the fabric look the same.
Not matured.