Soft, breathable comfort with a plush, lifted feel. The Casper Cloud One Foam Mattress delivers a light, airy sleep experience with gentle cushioning that cradles your body without letting you sink too deeply. Its medium-soft feel offers the perfect balance of softness and support—relieving pressure at the shoulders and hips while keeping your body comfortably aligned. Breathable foam layers help keep air flowing, so you stay cool and comfortable through the night, while the responsive design gives you a subtle bounce that makes it easy to move and settle in. Built for everyday comfort and lasting performance, it’s an easy upgrade for anyone looking to sleep softer, cooler, and more comfortably. Best for sleepers who want a soft, responsive feel with breathable comfort and balanced support. Comfort Level: Medium Soft (Plush feel with a responsive, lively touch) Made In: Designed and assembled in the USA with imported material Best for: Side and Combination Sleepers Mattress Type: All-foam mattress Adjustable Base Compatible: Yes Benefits: Boosted plushness with responsive comfort that never feels stuck Casper Core+™ technology adds targeted support and enhanced softness Breathable, open-cell foams help keep air moving and reduce heat buildup Pressure-relieving design helps keep your body aligned and supported Durable construction engineered for long-term performance (up to a decade of durability) Sustainability: All foams are CertiPUR-US® certified for safety and low emissions Fiberglass-free construction Designed with durable materials for long-lasting use Cover: A soft, breathable knit cover designed to enhance airflow and comfort from the first touch. Lightweight, airy fabric promotes cooling Stretch-knit design moves with the mattress for a smooth feel Helps dissipate heat for a more comfortable sleep surface Quilt: Soft knit top layer enhances initial comfort and breathability Designed to create a light, airy sleep surface Comfort Layers: Three layers of plush foam work together to deliver contouring comfort with a responsive feel. Breathable open-cell foam helps prevent overheating Contouring memory foam cradles the body and relieves pressure points Responsive transition foam adds bounce and prevents deep sink Support System: Engineered for targeted support and long-term durability. Casper Core+™ Technology: Patent-pending foam pillars in the core provide zoned support and a boost of plushness Durable base foam reinforces structure and helps maintain alignment Designed to support and soothe your body year after year Recommended Foundation: Rio 2.0 Adjustable Bed Base | City Mattress City Mattress Celestial Blue Foundation Warranty: 10 Years Dimensions & Weight: Twin: 38" W × 75" L × 11" H; 43 lbs. including shipping boxTwin XL: 38" W × 80" L × 11" H; 47 lbs. including shipping boxFull: 53" W × 75" L × 11" H; 60 lbs. including shipping boxQueen: 60" W × 80" L × 11" H; 72 lbs. including shipping boxKing: 76" W × 80" L × 11" H; 87 lbs. including shipping boxCalifornia King: 72" W × 84" L × 11" H; 92 lbs. including shipping box
