Get ultimate comfort with memory foam. High-density memory cell foam was originally developed by NASA to relieve G-force strain during lift off. Temperature- and pressure-sensitive, it molds to the body's contour, offering optimal comfort. Dissipates pressure while conforming to body contours. Leather-like bottom cover reduces movement on chair. General Category: Seating Accessory; Sub-Category: Seat Cushion; Color(s): Black; Color Family: Black.