You’re going to spend one third of your life sleeping. You owe it to yourself to spend that time on a Casper mattress. Designed by humans, for humans, the Casper Mattress has been engineered for outrageous comfort. With a combination of multiple memory foams and a breathable design, you’ll get just the right amount of sink and bounce while also staying cool. The only way to know what you’re missing is to try it, which is why Casper has a 100 night sleep-on-it trial. Plus, Cool Material readers can save $50 on the mattress with code COOLMATERIAL.