This is a soft napped insulating synthetic fabric and has some of wool's finest qualities but weighs a fraction of the weight. Fleece fabric traditionally come in different thicknesses: micro, 100, 200, and 300, with 300 being the thickest and least flexible. It represents grammes per metre. BKS uses 230 weight and is suggested as a lining to avoid having to wear an additional fleece garments inside your leathers, thus reducing bulk. It is machine washable and dries quickly. Available in Black only.