Sleep 400 12-Inch Cooling Gel Memory Foam Mattress

$849.99

The Perfect Memory Foam Mattress for Side Sleepers

Designed and developed to cushion and cradle, this side sleeper memory foam mattress features 3 unique layers of cooling memory foam that conforms to your shape, supporting low-pressure areas like the side and lower back, while melding around pressure points like the hips and shoulders.

A great intro to memory foam, this side sleeper mattress delivers a luxury feel at an affordable price, while helping you recover from an active lifestyle night after night. Whether you're up early for yoga, hitting the gym, or recovering from rock climbing, the reduced pressure points produced by the Sleep 400 help promote circulation throughout your body, leading to better rest and faster recovery.

Backed by a 15 year warranty and 100 night sleep trial, the Sleep 400 is sure to deliver.

  • 3 Layers of memory foam for support, conformity and motion separation
  • Built to disperse weight and provide positive pressure
  • Provides ample back support, without sinking perfect for larger body types
  • Cooling gel-infused layer helps prevent overheating and improve comfort
  • Premium bed top fabrics deliver flexibility, airflow and moisture control
  • Hypoallergenic construction
  • No flip-design means you never have to turn it over
  • Features moisture-wicking Tencel botanical fiber
  • Try it for 100 nights with a no hassle return policy
  • Backed by a 15-year warranty

Multi-layer memory foam construction

  • 2-inches of Adaptive Foam – Cool and comfortable, this foam is infused with gel that disperses heat and regulates sleep temperature
  • 2-inches of Response Foam – Perfect for multi-position and restless sleepers, this foam mattress layer reacts quickly to changes, ensuring optimum support for any position
  • 7.5-inches of Support Foam – The base of the mattress provides motion isolation and prevents sinking into the mattress

Premium mattress fabric:

  • Re-Ax Unleashed with Hi-Flow Knit features Tencel botanical fibers to disperse heat and moisture, ensuring comfortable conditions throughout the night
  • Ventilated Side Mesh is designed to optimize mattress breathability, allowing air to flow easily both into and out of the mattress
  • Contour Fit uses a 4-way stretch to flex and adjust to your body, offering free range of motion
  • Twin
    L: 38-in x W: 75-in
  • Twin XL
    L: 38-in x W: 80-in
  • Full
    L: 54-in x W: 75-in
  • Queen
    L: 60-in x W: 80-in
  • King
    L: 76-in x W: 80-in
  • Cal King
    L: 72-in x W: 84-in
Depth on all mattresses: 12-in

15-Year Warranty
Backed by a 15-year extended warranty, this mattress delivers comfort you can count on.

Free Shipping
Rolled-up and boxed, our mattresses ship right to your door at no cost to you.

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