Wow! My good bed is now a great bed thanks to this topper. For me it doesn't run hot; offers supportive softness; and most important, it is pain-canceling. My shoulder and arm pain are gone, and now I have no need to continue bedtime doses of analgesics. Lastly, this Serta topper expanded quickly to its full thickness and unlike another topper I once had, it stays put on my mattress.

This item did nothing but slide. It did not "cool" my sleep experience either.

Good, but not as dense a product as of a few years ago.

Very comfortable but not as cool as advertised

Bought to add to top o camper matress.

Item came as described and fit a california king sleep number well.

Had one on our queen bed, got a king adjustable and bought another one for it—absolutely amazing!

Lives up to its description.

We love this mattress pad, saved us a lot of money on replacing our mattress.

Best nights sleep I’ve ever had! So comfortable!