The Casper Mattress, otherwise known as the original bed-in-a-box, is Casper's best-selling memory foam mattress offering supportive, breathable, and premium comfort night after night. Its medium-firm feel is designed for all sleepers—stomach, side, back, or combination—providing just the right balance of pressure relief and support. Casper Signature Foam with AirScape® Technology boosts airflow and soothes you to sleep by channelling away heat and humidity. Premium memory foam contours to your body to absorb pressure, while ProSupport Foam prevents sinking and sagging for lasting durability. The Casper has been trusted by sleepers everywhere for over 10 years for optimal support and the perfect bit of bounce.

Promotional offers: Buy a mattress, get 35% off an adjustable base

The Casper Dawn Extra Firm Mattress is designed for those who prefer solid support without sacrificing comfort. Featuring Casper Signature Foam for breathability and a soothing feel, it also includes High-Quality Transition Foam to reduce motion transfer. Enhanced with firm ProSupport Foam, this mattress prevents sinking and sagging, delivering durable, extra-firm support that keeps your spine properly aligned all night long. With its premium materials and long-lasting durability, the Dawn Extra Firm Mattress delivers dependable comfort and support, making it a smart, high-value sleep investment.

Promotional offers: Buy a mattress, get 35% off an adjustable base