{"@context":"https://schema.org","@type":"Product","name":"Casper One Premium Medium Mattress","image":["https://cdn.shopify.com/s/files/1/0011/1273/5803/files/Casper-One-Premium-Foam-11_-Medium-Mattress-Casper-877697.png?v=1752809663","https://cdn.shopify.com/s/files/1/0011/1273/5803/files/Casper-One-Premium-Foam-11_-Medium-Mattress-Casper-877776.png?v=1752809665","https://cdn.shopify.com/s/files/1/0011/1273/5803/files/Casper-One-Premium-Foam-11_-Medium-Mattress-Casper-877815.png?v=1752809673","https://cdn.shopify.com/s/files/1/0011/1273/5803/files/Casper-One-Premium-Foam-11_-Medium-Mattress-Casper-877990.png?v=1752809669"],"description":"

Casper One Premium 11\" Medium Mattress

Experience the comfort that made Casper a household name with the Casper One Premium 11\" Mattress—a medium-firm all-foam mattress built for all sleep styles. Whether you’re a back, side, or stomach sleeper, this mattress delivers a perfect balance of comfort, responsiveness, and long-lasting support.

The Casper One Premium Mattress is made with breathable polyurethane foam that keeps you cool and comfortable all night. The second layer, Align Memory Foam, adapts to your body’s curves to reduce pressure points and promote deeper sleep. Beneath it all, the durable Casper Core prevents sinking or sagging, offering reliable support for years to come.

A soft knit Cozy Cover adds a layer of luxury and durability while giving the mattress its signature feel. Engineered from years of customer feedback, this premium foam mattress offers the right mix of bounce and contouring support. Trusted, tested, and loved by sleepers everywhere, it’s the smart choice for better rest.

","brand":{"@type":"Brand","name":"Casper"},"category":"Mattresses","dateModified":"2026-05-08T10:12:05.247437","offers":{"@type":"AggregateOffer","lowPrice":599,"highPrice":599,"priceCurrency":"USD","priceValidUntil":"2026-06-20","offerCount":1,"availability":"https://schema.org/InStock","url":"https://storestream.ai/products/casper-one-premium-medium-mattress-0babb649","hasMerchantReturnPolicy":{"@type":"MerchantReturnPolicy","applicableCountry":"US","returnPolicyCategory":"https://schema.org/MerchantReturnFiniteReturnWindow","merchantReturnDays":30,"returnMethod":"https://schema.org/ReturnByMail","returnFees":"https://schema.org/FreeReturn"},"shippingDetails":{"@type":"OfferShippingDetails","shippingDestination":{"@type":"DefinedRegion","addressCountry":"US"},"shippingRate":{"@type":"MonetaryAmount","value":"0","currency":"USD"},"deliveryTime":{"@type":"ShippingDeliveryTime","handlingTime":{"@type":"QuantitativeValue","minValue":0,"maxValue":1,"unitCode":"DAY"},"transitTime":{"@type":"QuantitativeValue","minValue":1,"maxValue":7,"unitCode":"DAY"}}},"offers":[{"@type":"Offer","seller":{"@type":"Organization","name":"RELAX THE BACK"},"price":599,"priceCurrency":"USD","priceValidUntil":"2026-06-20","availability":"https://schema.org/InStock","url":"https://relaxtheback.com/products/casper-one-premium-11-medium-mattress","itemCondition":"https://schema.org/NewCondition","hasMerchantReturnPolicy":{"@type":"MerchantReturnPolicy","applicableCountry":"US","returnPolicyCategory":"https://schema.org/MerchantReturnFiniteReturnWindow","merchantReturnDays":30,"returnMethod":"https://schema.org/ReturnByMail","returnFees":"https://schema.org/FreeReturn"},"shippingDetails":{"@type":"OfferShippingDetails","shippingDestination":{"@type":"DefinedRegion","addressCountry":"US"},"shippingRate":{"@type":"MonetaryAmount","value":"0","currency":"USD"},"deliveryTime":{"@type":"ShippingDeliveryTime","handlingTime":{"@type":"QuantitativeValue","minValue":0,"maxValue":1,"unitCode":"DAY"},"transitTime":{"@type":"QuantitativeValue","minValue":1,"maxValue":7,"unitCode":"DAY"}}}}]},"model":[{"@type":"ProductModel","name":"Queen","sku":"950-000151-004","size":"Queen","offers":{"@type":"Offer","price":799,"priceCurrency":"USD","availability":"https://schema.org/InStock"}}]}

Casper One Premium Medium Mattress(Queen)

Where to Buy