The Sleep Joy 4-Inch ViscO2 Ventilated Topper

The Sleep Joy 4-Inch ViscO2 Ventilated Memory Foam Mattress Topper implements an innovative new technique that allows this pad to literally breathe by producing five times the normal amount of airflow of any other kind of memory foam, which is prone to retaining heat. This ventilation can also be adjusted through three different types of levels of circulation. In addition to the improved memory foam construction, this particular mattress topper comes in a variety of shapes and sizes, is also 3 inches in depth, and is treated with Microsafe, which ensures it is hypoallergenic. It also comes with a two-year warranty.


Increased Airflow

Although the mattress topper does eradicate the heat emissions of traditional memory foam, it cools the pad without becoming too frigid to interrupt sleep patterns.


After several years of daily use, this mattress topper still retains its suppleness and support. This is often a concern of many people when purchasing a pad rather than a memory foam mattress itself.

Saves Money

If funds are not available to purchase a new memory foam mattress or simply improve an already existing mattress that doesn’t quite measure up, this topper is an outstanding alternative to both those choices and will firm up the mattress in spots where it has begun to sag.



This mattress pad does tend to be on the soft side. Many people prefer a firmer pad and it also not might conform to the body’s contours quite as well because of the reduced bounce to it.

Static Electricity

The pad is prone to produces extra static electricity under certain home conditions. If this is a concern or already problematic, this might not be the pad to purchase.

Quality of Foam

The foam itself might begin to rend and tear after a few months of heavy use or if people tend to be a bit overweight.

Improvements Needed

A way to test if the pad is constructed of higher quality memory foam is to see if the pad curves toward the body will sit upon it or merely shows an indentation from where the person sat. If the pad shows an indentation, it is comprised of strong materials. It has been noted this pad does not perform in that fashion, so if ventilation is not a concern other products may be more suitable.

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