The Restful Nights® Aller-Sure Cotton Cover Ultima Polyester Pillow was built for sensitive sleepers who want to enjoy down's amazing properties like lightness, warmth, and loft without the hassle of allergies down brings. Hypoallergenic fiber fill and soft top fabric block out dust mites and other household allergens that can trigger allergies. Innovative temperature balancing technology adjusts continuously to your body temperature so you are never too hot or too cold. With each wash, the down alternative fiber fill re-fluffs to its original shape, making the pillow maintain a "lofty" look and feel. Get the quality of rest you deserve with the The Restful Nights® Aller-Sure Cotton Cover Ultima Polyester Pillow.