My husband was always talking about getting another mattress as Purple or Tempurpedic cause he always feel hot with regular mattress through sleeping time. Luckily, I got Tempurpedic Luxebreeze firm mattress as an sample and I'm so happy to have a chance to try it. The overall quality of the mattress is great. It could be a little bit hard for the others but I like the way it firmed, my back is less hurt than before and I sleep better on it. In another hand, about -10 degree, it is when we just lay on it but it's hard to say it keeps for the whole night, that's why I give 4 stars cause our main issue is about cool mattress. Overall, still like it but needs to try another one to find out cooler mattress.