Sleep just right with 37.5® Technology that continuously adapts throughout the night. Its unique active-particle technology attracts and removes moisture vapor to resist heat and humidity buildup. A cool-to-the touch cover is combined with soft fiberfill and supportive foam for maximum comfort. Hypoallergenic for sensitive sleepers. Available in three shapes designed to fit the way you sleep: Classic: Gently supports your head and neck. Best for stomach or back sleepers. Contour: Fits your contours for enhanced comfort and support. Best for side or back sleepers Ultimate: Three removable foam inserts let you individualize your support and height (from a 4",5" or 6" contour) as your sleep needs change. Great for all sleeping positions. Find the pillow that's just right for you. Take our PillowFit® quiz. Law Labels: A law label is a tag or label required by some states to inform consumers of filling materials used in bedding, furniture and other products. View law labels.