Restonic Firm Hybrid Mattress 13 Inch Pocketed Coil Lumbar Support Cooling Foam

A firm sleep surface built with genuine engineering depth, this 13-inch hybrid from Restonic layers multiple foam technologies over a high-count coil system to deliver targeted support and active temperature regulation. The reinforced center-third construction addresses lumbar alignment directly, making it a strong choice for back sleepers and anyone who finds softer mattresses leave them waking stiff.

• W 39 x L 80 x H 13 inches; Twin Extra Long profile fits standard XL bed frames and adjustable bases
• 700 individually wrapped pocketed coils with 360° SuperEdge reinforced perimeter for full-surface support and reduced edge roll-off
• Exclusive Marvelous Middle® center-third reinforcement delivers 25% more lumbar support and minimizes motion transfer across the sleep surface
• Dual cooling technology with phase change material actively absorbs and releases body heat to regulate sleep temperature throughout the night
• HD CoolFlow high-density foam comfort layer promotes airflow and provides pressure relief while maintaining a firm, non-sinking feel
• DuraLast support foam base layer adds long-term resilience, helping the mattress retain its shape and consistent support over years of use
• CoolFlow Plush responsive top layer cradles the body and encourages surface-level airflow for added comfort without softening the overall feel

Features

• Restonic 13” Firm Mattress – Advanced Cooling & Deep Support for Restorative Sleep'
• 'Designed for those who prefer a firm, supportive sleep surface with advanced cooling technology, the Restonic 13” Firm Mattress delivers durability, targeted support, and temperature regulation for a consistently refreshing night’s sleep.'
• 'Dual Cooling Technology with Phase Change Material – Actively absorbs and releases heat to maintain a comfortable sleep temperature throughout the night.'
• 'HD CoolFlow Foam – A high-density, breathable comfort layer that enhances cooling and provides superior pressure relief without sacrificing firm support.'
• 'CoolFlow Plush Foam – A responsive top layer that promotes airflow and cradles your body for an extra touch of comfort.'
• 'DuraLast Support Foam – Adds long-lasting resilience and durability, ensuring your mattress maintains its shape and support over time.'
• 'CoolFlow Medium Foam provides balanced contouring and pressure relief, offering a perfect blend of cushioning comfort and responsive support for a more restful sleep.'
• 'Exclusive Marvelous Middle® – Reinforced center-third support provides 25% more lumbar support, reducing motion transfer between partners for uninterrupted rest.'
• '700 Individually Wrapped Coil System with 360° SuperEdge – A higher coil count enhances responsiveness, while the reinforced perimeter maximizes your sleep surface and prevents edge roll-off.'
• 'At 13” tall, the Restonic Firm Mattress is engineered for long-lasting support, cooling comfort, and a firm feel—helping you wake up refreshed and ready to take on the day.