Serendipity: Serendipity is pure cashmere goodness, and its harmonious textures really set it apart. The underlying texture and the overlaying halo results in a fabric with body and a subtle drape. Sarah developed this base with cashmere lovers in mind, because cashmere will always be a favorite! Serendipity is 100% Cashmere and 330 yards per 100 gram skein. Sport weight.