Mattress Topper Cal King Extra Thick Mattress Pad Cover - Cooling

In this review the Mattress Topper Cal King Extra Thick Mattress Pad Cover is evaluated for sleepers who need a balance of cushioning and support without replacing a mattress. The bottom line: this topper is best for people seeking a breathable, soft surface and modest pressure relief for back and hip discomfort, thanks to its overfilled down alternative and box-quilted design. It performs well as a mattress pad protector with a deep, stretchable skirt that fits 8-21 in mattresses and is easy to care for in a machine.

Key Features

• Premium surface: The microfiber 400TC combed fiber cover is breathable and skin-friendly, offering noticeable softness for immediate comfort.
• Box quilted filling: Double-filled with 5D and 7D snow down alternative, the box quilting keeps the fluffy fill evenly distributed so it does not shift during sleep.
• Deep pocket fit: A 360 all-around stretch knitted skirt accommodates mattresses from 8 to 21 in, ensuring the topper stays in place as you move.
• Pressure relief: The extra thickness gently cushions pressure points on the back, lower back and hips to help reduce discomfort for side and back sleepers.
• Easy care: Fully machine washable at low temperature and tumble dry low for simple maintenance and restored loft after drying.

Who It's For

Sleepers who want an affordable way to add softness and modest cushioning to an existing mattress will appreciate this topper, especially if they value a breathable microfiber surface and the look of a square jacquard design. It suits people with mild back or hip soreness who need targeted cushioning rather than a firmer orthopedic replacement.

Those seeking a very thick memory foam feel or significant firmness change should look elsewhere, as some customers find the topper less lofty than a true pillow-top replacement. Also, if you need specialized cooling technology beyond breathable microfiber, a gel or foam option may be preferable.

Pros & Cons

Pros

• Soft, skin-friendly microfiber surface improves initial sleep comfort without feeling synthetic.
• Box quilted 5D and 7D filling stays evenly distributed and resists shifting over time.
• Stretchable 360 skirt fits a wide range of mattress depths from 8 to 21 in for good compatibility.
• Machine washable construction makes cleaning simple and restores loft when tumble dried low.

Cons

• Thickness is moderate; some users report it is not as plush or thick as expected for heavy cushioning.
• Not a substitute for a firmer mattress or specialized orthopedic topper for severe back pain.

Specifications

Brand	SameBed
Size	California King
Cover material	Microfiber 400TC combed fiber
Filling	5D and 7D snow down alternative (overfilled)
Fit depth	Fits 8-21 in mattresses
Construction	Box quilted with stretch knitted skirt

Our Verdict

The Mattress Topper Cal King Extra Thick Mattress Pad Cover is a sensible value for sleepers who want a softer, breathable sleeping surface and modest pressure relief without replacing their mattress. Its durable 400TC microfiber, double down alternative fill, and deep 360 skirt make it versatile and easy to care for, though those needing very thick support or a firmer orthopedic change should consider a different option.

Frequently Asked Questions

Will this fit deep mattresses?
Yes. The stretchable knitted skirt is designed to wrap 360 degrees and fits mattresses from 8 to 21 in deep.

Is the topper machine washable?
Yes. It can be washed at low temperature and tumble dried on low; do not iron or dry clean.

Does it relieve back pain?
It provides gentle cushioning for pressure points on the back and hips and can help mild back discomfort, but it is not a replacement for a firmer orthopedic mattress.