Bias Grain

What is Bias Grain?

Grain in refers to the orientation of weft and warp threads in woven fabrics. Woven fabrics have three grains known as straight grain, cross grain and bias grian. Bias grain refers to any orientation between straight grain and fast grain. A bias orientation has more stretch and drape than cross or straight grain. When the orientation of the bias is 45 degrees, it is referred to as true bias.