| Literal comfort-package difference | 13 inches; high-density foam + individually wrapped microcoils | 14 inches; plush high-density foam + individually wrapped microcoils | Both beds use microcoils for quicker, localized response above adjustable air support. Ultra adds one inch and explicitly moves to a plush high-density foam package. Side sleepers who want more surface give around the shoulder and hip, and shoppers who equate luxury with a deeper cushioned first impression, have a clear reason to pay more. Lux is the better fit when you want the same responsive architecture with less plush material between you and the adjustable support. |
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| Literal pressure-relief difference | Superior relief for hips, shoulders, knees, and lower back | Maximum relief for the same four published body areas | Ultra intensifies the cushioning level rather than adding a fifth pressure zone. That matters most to a sleeper who feels pronounced pressure at several contact points or consistently prefers a plusher surface. Lux already names every body area listed for Ultra, including the lower back, so it is the smarter buy when you want broad coverage but do not need the deepest comfort treatment. |
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| Literal cooling and airflow difference | Cooling level 4 of 6; 67% more built-in cooling material than ComfortMode + superior airflow | Cooling level 5 of 6; 175% more built-in cooling material than ComfortMode + maximum airflow | This is Ultra's strongest measurable upgrade. The published cooling-material comparison jumps by 108 percentage points over Lux, and Ultra receives the line's maximum-airflow designation. A hot sleeper who wants to remain in a passive-cooling mattress has a credible reason to spend $425. Lux is already one step below the top of the brand's scale, so shoppers who wake comfortable should not expect the extra cooling material alone to transform their sleep. |
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| Current Queen price | $3,399.15 current; $3,999 reference price | $3,824.15 current; $4,499 reference price | The current gap is $425, much smaller than the step from ComfortNext to Lux. Ultra earns it with a plusher, one-inch-deeper comfort package, maximum pressure relief, and the largest passive-cooling jump in this line. Lux keeps the shared microcoils, adjustable firmness, and the same four named relief areas, making it the value choice when a balanced surface and cooling level 4 are enough. |
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| Base and buy-with-confidence terms | Base sold separately; 100-night trial; 30-night minimum; $250 standard-area return pickup fee | The same separately sold base options and direct-purchase trial terms | Ultra's premium pays for mattress materials and feel, not a base or a longer trial. Both eligible mattresses can be returned or exchanged once from day 31 through day 100. Sleep Number charges a $250 pickup fee in standard service areas, and an exchanged product becomes final sale without a new trial. Compare both with the same base choice so the mattress upgrade remains clear. |
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