Discover the legendary comfort that broke the Internet with the Casper One Premium Foam Medium Mattress, expertly reimagined to cater to all sleep needs. Renowned as our best all-foam mattress, it boasts a responsive yet supportive medium-firm feel that adapts perfectly to every sleep style. Whether you're a back, stomach, or side sleeper, the Casper One provides the ideal balance of comfort and support, making it the no-brainer choice for your bedroom.

Designed to eliminate overheating, each layer of foam in the Casper One is crafted for all-night breathability. The top layer features breathable polyurethane foam, ensuring a cool and cozy sleep surface, while the second layer, made of Align Memory Foam, cradles your body's natural curves to promote uninterrupted sleep. Supporting these layers is the Casper Core, a durable base that prevents sinking and sagging, ensuring long-lasting support.

Enhanced with a soft knit Cozy Cover, the Casper One Premium Foam Medium Mattress wraps you in luxurious comfort from the moment you lie down. Its classic Casper feel offers responsive, supportive foam with just the right amount of bounce, providing the comfort our sleepers love. Perfected over 10 years based on customer feedback, the Casper One is engineered to be as durable as it is cozy, delivering a sleep experience that exceeds expectations.