Experience superior comfort and support with the Serta Perfect Sleeper Tranquil Wave 11" Medium Hybrid Mattress-In-A-Box. Combining advanced cooling technology with premium materials, this mattress delivers exceptional pressure relief and restful sleep. Featuring HexCloud Gel Memory Foam and an 825 IWC coil system, it provides cooling support and minimizes motion transfer, ensuring a peaceful night's sleep. Designed for convenience, it arrives in a compact box for easy setup—just unpack, unroll, and unwind. Ideal for most frames and adjustable bases, this mattress is CertiPUR-US® certified, ensuring high-quality, eco-friendly materials.

Key Features:

• Cooling Technology: HexCloud Gel Memory Foam and Cool Twist Gel Foam promote airflow and heat dissipation.
• Comfort Level: Medium firmness with contouring support from individual coils and memory foam.
• Mattress Thickness: 11 inches of premium hybrid construction.
• Edge Support: Reinforced coil system offers edge-to-edge support.
• Low Motion Transfer: Minimizes impact from partner movements.
• Breathable Construction: Promotes a cooler sleeping environment.
• Mattress in a Box: Conveniently packed for contact-free delivery and easy setup.
• Adjustable Base Compatible: Works with most frames and adjustable bases.
• CertiPUR-US® Certified: Made with sustainable, high-quality materials.

Specifications:

• Size: Twin XL
• Dimensions: 79.5'' L x 11'' H
• Weight: 57 lb
• Cover Material: Polyester
• Foam Type: Gel Memory Foam
• Coil Count: 513 Pocket Coils
• Warranty: 10-Year Limited Warranty