Casper Sleep mattresses offer just the right sink, just the right bounce. Two technologies come together for better nights and brighter days. Casper Sleep mattresses are made with premium latex foam for cooling & bounce and memory foam for supportive comfort. Developed and crafted with exacting standards in the U.S.A., Casper bedsare resilient enough to compress-ship and fit through any door. They offer 100% free shipping and free returns, with a 100-night no-risk trial.