Comfortable and Soft:Filled with 4D down alternative,gives superior comfort against your skin without extra heat and sweat.The down alternative filling has the feel of authentic goose and down,which is more comfortable and soft. Fluffy and Supportive:The optimum thickness of our mattress pads provide a perfect balance between softness and support.The Skin-friendly top cover improves the texture of the bed and the quality of a luxurious night's sleep effectively. Cooling and Breathable:The top layer of mattress topper is made of premium ultra-soft,fresh and breathable microfiber,which could keep your skin cozy and cool.The premium down alternative filling improves airflow and dissipates heat, making it extremely comfortable and soft.The fluffy topper provides an extra layer of softness for enhanced sleep.