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Expert Recommended Adjustable Base
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Firm, responsive, and refreshingly supportive—crafted for aligned, energized sleep.
The Riverton Lux Firm delivers a lifted, supportive feel that keeps your body aligned and comfortable all night. A breathable quilt adds softness, while cooling latex helps ease tension and prevent heat buildup. Responsive micro coils enhance contouring and reduce motion transfer, and the firm, stable surface offers dependable support without feeling too rigid. What sets the Riverton apart is its firmer, more supportive feel with added cooling benefits—making it a strong “better” option within the King Koil lineup for sleepers who want stability without sacrificing comfort.
Best for back and stomach sleepers who prefer a firm, cool, and reliably supportive sleep surface.
Comfort Level: Firm
Handmade in the USA
Sleep Style: Back and Stomach Sleepers
Mattress Type: Innerspring with latex, micro coils, natural fibers & plush foams
Adjustable Base Compatible: Yes
Benefits: Elevated firm support, cooling graphite latex, targeted micro-coil responsiveness, pressure relief, motion isolation, and reinforced edge stability
Sustainability: CertiPUR-US® certified foams, eco-friendly Tencel® panel, breathable natural fibers, and handcrafted construction for long-lasting performance
Quilt: A firm, breathable, temperature-regulating surface for stable comfort.
Pillow Insert:
Comfort Layers:
Support System:
Recommended Foundation: Rio2.0 Adjustable Bed Base | City Mattress
Twin Size: 38" W x 75" D x 15” H
Mattress Height: 15"
Mattress Weight: 81 lbs
10 Years Non-Prorated
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