100% Pure Down Fill No Feathers: Filled with soft white down clusters for smooth loft and comfort without the quills or stiffness of feather blends 600 Fill Power Luxury Loft: Premium down creates airy loft with natural insulation and breathable softness for a high end hotel feel Down Proof 400 Thread Count Cotton: Tightly woven cotton shell helps keep the down in place while providing a smooth, breathable, and durable sleep surface Loft Options Not Firmness: Soft, Medium, and Firm indicate the level of fill and loft - down pillows are designed to be soft and compressible and will not feel firm or stiff