Ottomanson 9" Hybrid Twin Mattress - Firm - Made in USA - Individually Pocketed Coils & CertiPUR-US Foam - Fiberglass-Free - Bed in a Box

For those who want true firmness—not fluff—the 9-Inch Firm Hybrid Mattress is engineered to offer uncompromising support with a no-nonsense design. It’s firm but smartly built to promote spinal alignment, pressure relief, and better posture over time.Proudly made in the USA, this hybrid mattress combines traditional innerspring coils with dense foam layers for durability, responsiveness, and minimal motion transfer—making it a solid choice for shared bedrooms or apartment living. The 9-inch profile is especially suited for trundle beds, bunk beds, platform bases, or smaller rooms where space is at a premium.Shipped in a compact bed-in-a-box, setup is simple: unroll, let it expand, and get ready to rest on a mattress built for comfort, support, and long-term value. Whether you're shopping for a guest bed, college apartment, or your primary sleep surface, this mattress delivers a no-frills, health-forward solution that works.

• [Firm Support]: Built for those who prefer a firm sleeping surface, this hybrid mattress delivers that firm feel that promotes superior spinal alignment and minimizes sinkage.
• [9-Inch Low-Profile Design]: Ideal for bunk beds, trundle beds, platform frames, or any space-conscious layout—perfect for apartments, guest rooms, and smaller spaces.
• [Hybrid Build with Pressure Relief]: Combines the responsive support of springs with dense foam layers to create a breathable, durable surface that holds its shape night after night.
• [Engineered for Posture & Pain Relief]: Firm feel helps reduce pressure points and supports better back health—great for stomach and back sleepers seeking alignment over plushness.
• [Delivered in a Box, Easy to Set Up]: Ships conveniently rolled and compressed in a compact box. Just unbox, unroll, and allow 24–48 hours to fully expand.