Serta iDirections Foam X1 Gentle Firm Mattress. The iDirections X-Series X1 is a Mattress Warehouse exclusive. The X-Series X1 includes a layer of ActivTemp gel memory foam, a layer of EverCool Fuse gel memory foam that works with the other layers to promote airflow and reduce heat build up.

The X-Series X1 features an ActivTemp Cooling Cover, and ActivTemp gel memory foam to help with airflow and temperature control. Adjustable Base Friendly. 10 Year Limited Warranty.

Serta iDirections Foam X5 Plush Mattress. The iDirections X-Series X5 is a Mattress Warehouse exclusive.

This bed includes a layer of ActivTemp gel memory foam, a layer of EverCool Fuse gel memory foam, that both work with the other layers to promote airflow and reduce heat build up. Additional layers include a layer of EverCool Supreme memory foam that helps provide pressure point release and a layer of cool gel twist foam that gently conforms to your body and works with the entire mattress system for proper support.

Serta iDirections Foam X3 Firm Mattress. The iDirections X-Series X3 is a Mattress Warehouse exclusive.

The X3 features a layer of premium ActivTemp gel memory foam, a layer of EverCool Fuse gel memory foam, a layer of Deep Reaction Foam, and a layer of support foam that provides lasting support for years of comfort.

Serta iComfort CF 1000 Medium Mattresses Collection. Not too firm and not too plush, the iComfort CF1000 Medium mattress is just right.

Layers of Carbon Fiber Memory Foam and EverCool Fuze Gel Memory Foam help channel heat away from your body, keeping you comfortably cool and supported.

Serta icomfort Hybrid 1000 Medium. The iComfort CF1000 Hybrid Medium mattress is comfortably cool and supportive.

Layers of Carbon Fiber Memory Foam and EverCool® Fuze Gel Memory Foam help channel heat away from your body, while the 1025 iComfort® Hybrid Support™ System with BestEdge® Foam Encasement conforms and supports your every curve.

Serta iComfort. TempActiv Touch Fabric is Serta's first cover material to have temperature-regulating technology infused directly into the fabric.

It is designed to provide an immediate “cool to the touch” feeling and works with the TempActiv Max Gel Memory Foam to help dissipate heat for enhanced cooling comfort throughout the night.

Serta iDirections Foam Elite X6 Firm Mattress. The iDirections X-Series X6 is a Mattress Warehouse exclusive.

The X6 includes EverCool Fuze gel memory foam with Phase Change Material technology, EverCool Supreme memory foam, ActivBalance support foam, and a layer of cool gel twist foam that gently conforms to your body. The X-Series X6 features an ActivTemp Cooling Cover, with a cool-to-the-touch feeling that works with the ActivTemp gel memory foam to reduce heat build-up and keep you at the optimal sleeping temperature.

Serta iDirections Foam Elite X8 Ultra Plush Mattress. The X-Series X8 features an ActivTemp Cooling Cover, that works with the ActivTemp gel memory foam to dissipate heat and keep your body at the optimal sleeping temperature. Support System.

Ultimate Edge Foam Support Core: Edge to edge support, that expands the sleeping surface and reduces sagging and roll off. Adjustable Base Friendly. 10 Year Limited Warranty.

Serta iDirections Foam X5 Plush Mattress. The X-Series X5 features an ActivTemp Cooling Cover, that works with the ActivTemp gel memory foam to dissipate heat and keep you at the optimal sleeping temperature.

Serta iDirections X6 Hybrid Firm. The X6 iDirections Hybrid mattress from Serta can only be found at Mattress Warehouse.

The X6 also features an ActivTemp Cooling Cover that combines perfectly with the Gel Memory Foam, to assure a cool and evenly tempered mattress. This double coil system features a Micro Coil System and Foam Encased Coil System, to assure you are getting the most support and comfort possible.