# The One

- **Brand:** Casper
- **Price:** $874.00
- **Catalog:** casper
- **Retailer:** casper
- **Product URL:** https://go.cosimo.shop/r/gAAAAABq45zUxH9hI1pvd5e4JHzYpSIXxkOUcbz5fLLE7kmgHhfpL0dy5TFOw8xC90I9J2-Hr6sehnuJy4oC-FstOU3pWWRBhRvWrSWIB73VdtCVo8VdFbl2KeUdI6DJk00IqcYW5ANhMxWFO8PzhXSHnoa8bRPX0YcrqWw_83Fh4c_x4PCoLjYbT6RGu62e_rLvkB-5lClqpPlcBs6p7ooD7uhB8wxmamjKXS5ru9hZm-4V2R5kSRhRLWBsmbeqcuQBiEn-mIB3_xxJidKOFqzkAG5YGeDIlObttiK89MwVdMDxg2sBqnNa-rqQDU7ECgn4UCbEcNdX-jfHmaQBoFgmJraQ4Tg5uHsGXtgNUR5iWkasJTlhRorYHEVGlb78gRnpJX1J39CSwf4wN0wY_wUzEnXCh-vubNL6Q7VkHDGHbn0Sqq6j7D8=
- **GTIN:** 192472031344
- **Availability:** In stock

## Summary

A medium-firm all-foam mattress featuring three layers of engineered foam, including breathable polyurethane and memory foam, designed for supportive sleep.

## Description

Expertly engineered to solve your sleep needs without breaking the bank, our signature foam mattress features three layers of cradling foam and a responsive yet supportive medium-firm feel sleepers love.

## Appearance

- **Sizes:** Twin, Twin XL, Full, Queen, King, California King, Split King (per-size availability under Variants)
- **Materials:** Top layer of breathable polyurethane foam, Second layer of memory foam, Durable base of polyurethane foam

## Variants

- **In stock:** 7 of 7
- **Available:** Twin, Twin XL, Full, Queen, King, California King, Split King

| Size | SKU | Availability |
| --- | --- | --- |
| Twin | CASPRONEMATTWIN | In stock |
| Twin XL | CASPRONEMATTWINXL | In stock |
| Full | CASPRONEMATFULL | In stock |
| Queen | CASPRONEMATQUEEN | In stock |
| King | CASPRONEMATKING | In stock |
| California King | CASPRONEMATCALKING | In stock |
| Split King | CASPRONEMATSPLITKING | In stock |

## Categories

- **Categories:** Mattress

## Additional Attributes

- **tags:** discount-eligible-non-bundle, non-bundle, recycle-fee, remote-fee-large, YCRF_Mattress, YGroup_One
- **vendor:** Casper
- **disclaimers:** * 92% of Casper customers keep their mattress based on a 12-month cohort of customers who purchased between May 2025-Apr 2026.
- **product type:** Mattress
- **shopify handle:** casper-one-foam
- **measurements dimensions:** Twin 38" W x 75" L x 11" H 47 lbs Twin XL 38" W x 80" L x 11" H 50 lbs Full 53" W x 75" L x 11" H 64 lbs Queen 60" W x 80" L x 11" H 76 lbs King 76" W x 80" L x 11" H 94 lbs California King 72" W x 84" L x 11" H 93 lbs Split King 76" W x 80" L x 11" H 100 lbs
- **materials certifications:** Top layer of breathable polyurethane foam Second layer of memory foam Durable base of polyurethane foam Patents: https://casper.com/pages/patent
- **warranty shipping returns:** Free shipping and free returns * – learn more about Delivery . *Additional shipping fees apply to Alaska and Hawaii. Terms and Conditions apply. Returns can be initiated after the 30-Night Adjustment Period. Subject to 10-year Limited Mattress Warranty. Learn More. Some states charge a Recycling Fee to help fund their mattress recycling programs. This state-mandated fee is added to the cost of each mattress, foundation, and bed frame you order and is not refundable.
- **what makes this mattress the one:** OVERHEATING IS OVER : Every layer of foam is designed for all night breathability. BEST NIGHT’S REST : Three layers of supportive, pressure-relieving foam soothe your body. THE FEEL SLEEPERS LOVE : Uniquely supportive with the perfect bit of bounce. DREAMY SLEEP, DREAMIER PRICE: Enjoy deep sleep at an affordable price. DECADE OF DURABILITY : Casper mattresses use the highest-quality foams to stay comfortable year after year. The One foam mattress is especially comfortable for stomach sleepers.

## Enrichment

- **Type:** mattress
- **Type Synonyms:** foam mattress, bed mattress
- **Tags:** all-foam, multi-layer, medium-firm, breathable foam, memory foam
- **Styles:** modern, minimalist
- **Category Path:** Furniture > Beds & Accessories > Mattresses > Memory Foam Mattresses
- **Firmness:** Medium firm
- **Canonical Brand:** Casper

## Images

- ![Image 1](https://cdn.storerouter.ai/d0e343c98ea8302dd03f97e2d9f10a88/857bda3bc1db6f68431f417e4f9682c3.webp)
- ![Image 2](https://cdn.storerouter.ai/d0e343c98ea8302dd03f97e2d9f10a88/33a1be1e2e5b51172c41ea52a34b497b.jpeg)
- ![Image 3](https://cdn.storerouter.ai/d0e343c98ea8302dd03f97e2d9f10a88/23bc727f425e9e7308bbc2ce4193106e.webp)
- ![Image 4](https://cdn.storerouter.ai/d0e343c98ea8302dd03f97e2d9f10a88/5b2b568dab9a834ae4254b1cabbbb27a.webp)
- ![Image 5](https://cdn.storerouter.ai/d0e343c98ea8302dd03f97e2d9f10a88/5f89c35f68c9c00a38ef9389ed539215.webp)
- ![Image 6](https://cdn.storerouter.ai/d0e343c98ea8302dd03f97e2d9f10a88/2c0b346e9155c1dbc5352033b4c649c8.webp)

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*Source: cosimo.shop | Product ID: 6e30b858-cfcc-53ad-976d-4682ce73b45a | Canonical URL: https://cosimo.shop/product/casper/the-one-6e30b858-cfcc-53ad-976d-4682ce73b45a*