The top similarities between these two excellent toppers are their comfort, cooling effects, and breathability. The gel and copper mattress toppers use the same base—memory foam—providing a similar feel. Memory foam mattresses, like memory foam toppers, are created to relieve pressure and help regulate body temperature, and the gel and copper infusions amplify the memory foam's underlying benefits.
The one disadvantage of virtually any memory foam infused mattress topper is a chemical smell when opened. However, the Sleepyhead mattress topper smell is not harmful because it is from CertiPUR‑US certified foam, which has been tested to be free of harmful toxins and materials. The smell will quickly dissipate as the mattress topper airs out.