Astoria Stair TreadAstoria Stair Tread wool yarns create a soft feel while paired with a durability that retains its appearance year after year. Our space dyed 100% wool yarns are flat braided to create sophisticated patterns that add warmth and luxury to your country home. Constructed of our virgin wool cover yarns with a crush resistant knitted fiber filling that provides a soft cushion. Reversible for twice the wear.