The Sealy Nostromo is part of Sealy's Pocket Gold Collection and has a combination of features that ensure this mattress will give you a luxuriously, comfortable sleep. 1400 individual pocket springs create zoned areas that target pressure points on your body, these 'pressure knock-out zones' create maximum pressure relief and spread body weight across the entire mattress meaning less tossing and turning. A deep layer of body contouring, innergetic latex increase pressure relief while optimising support and comfort.