| Cooling approach | Breathable DreamLayer, open Grid columns, and an edge-to-edge coil core that allows air to move through the mattress | Cooling-fiber TENCEL surface, reversible wool-blend surface, ventilated coils, and external AirVents | Purple creates continuous open space around the body and through the coil core, making it the more convincing passive-airflow choice for a consistently hot sleeper. Reserve Duet combines a cool first-touch side with ventilation and gives you a separate wool-blend face for seasonal preference. Neither mattress actively controls temperature, so room climate and bedding still matter. |
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| Motion and shared-bed behavior | Responsive Grid and coil build designed to adapt quickly as the sleeper moves | Conforming TEMPUR-Indulge foam above individually responding microcoils and main coils | Purple favors easier repositioning and a livelier surface, useful for combination sleepers. Reserve Duet's memory foam and nested coil layers should feel more damped and substantial, which can appeal to couples who prefer less surface liveliness. Neither manufacturer publishes a direct head-to-head motion test, so this guidance follows the documented materials rather than claiming a measured winner. |
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| Edge support and finished height | 15.5 inches; edge-to-edge responsive coil core; no separate reinforced perimeter is identified on the current page | 17 inches; high-density PrecisionEdge coil border designed to hold the perimeter shape | Reserve Duet makes the clearer case for people who sit or sleep near the edge because its perimeter has a named reinforcement system. Purple is 1.5 inches lower and may be easier to pair with a tall frame or foundation. Both are substantial mattresses, so measure total bed height and sheet depth before buying. |
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| Verified Queen price and value | $6,599 direct from Purple | $6,599 direct from Stearns & Foster | At the same verified price, there is no automatic value winner. Purple spends the budget on DreamLayer and a deep GelFlex Grid. Stearns & Foster spends it on hand-tufted upholstery, a reversible seasonal top, TEMPUR-Indulge foam, microcoils, the IntelliCoil HD core, and PrecisionEdge. Promotions can change, so compare the live totals before ordering. |
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| Linked-seller comfort guarantee | 100-night Purple direct trial; 21-night minimum; eligible refund is reduced by applicable transportation charges up to Purple's then-standard freight charge | 90-night Stearns & Foster direct trial; 30-night recommendation; eligible return or exchange costs $175 shipping plus tax | Both direct links let you make the final comfort decision at home. Purple gives ten additional nights and allows the process after night 21. Stearns & Foster asks for 30 nights and publishes the exact $175 return-shipping charge. These terms apply to the direct offers linked here; another retailer's comfort guarantee controls when that retailer supplies the mattress. |
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| Warranty and published scope | 10-year limited warranty; Purple publishes the Grid depth, foam family, 8-inch coil system, full profile, and fiberglass-free fire barrier | 10-year limited warranty; Stearns & Foster publishes the named foam, three coil systems, reinforced edge, ventilation, reversible top, and full profile | Warranty length is a tie, so it should not decide the purchase. Both brands disclose the important architecture, but neither publishes every foam density or a complete layer-by-layer thickness map. Choose based on the materials and feel differences you can verify and use during the home trial. |
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