The contour shape places your head in just the right position with the up-curve of the contour supporting your neck and the down-curve cradling your head. * The temper-sensitive nature of our memory foam adjusts to your body"s temperature for sleeping comforty. * The anti-bacterial and allergen resistant qualities of this pillow are perfect for the allergy prone sleeper. * The allergen resistant qualities of this pillow are perfect for the allergy prone sleeper.