PENDER Mattresses offer contoured support and a restful sleep. 1020 count Pocket Coil Technology conforms to your body shape and minimizes motion transfer between partners. Natural Talalay Latex provides resilient support without that “sink-in” feeling. Celliant technology increases your sleep efficiency. This partciular line of mattresses has a profile of 12.5" and is rated as 'medium' in terms of comfort level and firmness.