Assembly Label, Wool Cashmere Rib Skirt in Dark Olive. Our Wool Cashmere Rib Skirt is a versatile piece that will take you from work to the weekend with ease. Crafted from a premium wool and cashmere blend, this ribbed knit skirt has a stretchy fit that skims the body and features an elasticised waistband and side hem splits. For a complete knit set, style with our coordinating Wool Cashmere Rib Long Sleeve Top.