Casper's after Christmas mattress sale cuts 20% off its current lineup — but in my opinion, the clearance section is where ...

The pillow comes in a removable and machine washable CoolTouch cover which adds an extra layer of coolness. All in all, our tester for the Casper Snow Hybrid Pillow review found this resulted in ...

and the cooling cover on top. These three features combine to make up the Snow Technology from Casper. Casper claims it can help you sleep around 5 degrees cooler than the flagship One Foam bed.