SLEEP TESTED for side sleepers or large body types. Freestyle�s flexible and firm pad slides between your body and the mattress, providing conforming suspension that won�t create pressure against the sensitive areas of your face, ears and neck. If you sleep with your arm under the pillow, the responsive flexible foundation also cushions and conforms to your arm to reduce weight impact while maintaining a smooth sleep surface. Dri-Tec performance fabric. Fits Queen size pillow.