Medium 12-Inch Isotonic Memory Foam Twin XL Mattress

Experience Superior Support and Comfort with the Symbol Isotonic Memory Foam Hybrid Mattress

Upgrade your sleep with the Symbol Isotonic Memory Foam 12-inch Hybrid Mattress, designed to deliver perfect balance between pressure relief and support. Combining contouring isotonic memory foam with resilient edge-to-edge coil springs, this mattress adapts to your body’s natural curves while providing stable, durable support. Its innovative 5 Zone Silhouette Foam evenly distributes weight to reduce pressure points and improve spinal alignment, making it ideal for those seeking lumbar support and enhanced comfort. At 12 inches thick, it fits perfectly on adjustable bases for personalized positioning. The breathable foam and hybrid design also promote airflow to keep you cool and comfortable throughout the night. Wake up refreshed and pain-free — elevate your sleep experience today.

Key Features

• Isotonic Memory Foam: Provides targeted pressure relief and contouring comfort.
• Edge-to-Edge Coil Support: Enhances stability and maximizes sleeping surface.
• 5 Zone Silhouette Foam: Designed to evenly distribute body weight and improve posture.
• Lumbar Support: Supports the lower back to reduce aches and stiffness.
• Adjustable Bed Friendly: Compatible with most adjustable bases for customizable comfort.
• 12-Inch (30 cm) Thickness: Offers an ideal balance of softness and support.
• Breathable Hybrid Design: Promotes airflow to maintain a cool sleeping temperature.
• Available Size: Twin XL (79" L x 37" W)
• Lightweight 52 lbs (23.6 kg): Easy to handle and set up.

Specifications and Measurements Guide

Dimensions
Length: 79 inches
Width: 37 inches
Height: 12 inches
Mattress Size: Twin XL

Weight
Weight: 52 pounds

Materials
Main Material: Foam and Spring
Filler: Memory Foam and Polyurethane Foam
Color: White

Technology Features
Isotonic Memory Foam for pressure relief
5 Zone Silhouette Foam to distribute weight evenly
Edge to Edge Coil Support for enhanced stability
Lumbar Support incorporated
Adjustable Bed Friendly design
Pressure Relieving Foam layers
Hybrid construction combining foam and springs

Free Shipping on All Orders Across the Contiguous U.S.!

• Enjoy free, contactless delivery to your door with fast, reliable shipping across the contiguous U.S. on every order!
• We offer post shipping premium services with room of choice setup and disposal options. Premium service options are offered after adding the item to your cart and are a 3rd party post-delivery service Powered by Loadup. These services can be closely coordinated with your item being shipped for peace of mind and convenience.
• Note: We currently do not ship to Hawaii or Alaska
• Shop now for convenient delivery tailored to you! Learn more about shipping options here.

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Hassle-free returns! Not satisfied? Self-serve returns from your account portal, no hassle! Return most items* within 14 days of receipt for a refund or store credit. Learn more about our Dream Easy® Promise here

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* Massage chairs and adjustable bases are not eligible for return. Mattresses are exchange only.