---
product_id: 525762056
title: "Casper Sleep Essential Cooling Foam Pillow, King Size – Firm Memory Foam with Cooling Cover, Supports Side Sleepers, Breathable & Pressure-Relieving"
brand: "casper"
price: "¥20236"
currency: JPY
in_stock: true
reviews_count: 8
category: "Casper"
url: https://www.desertcart.jp/products/525762056-casper-sleep-essential-cooling-foam-pillow-king-size-firm-memory
store_origin: JP
region: Japan
---

# Cooling gel layer Breathable, temperature-regulating cover Firm 5-inch memory foam Casper Sleep Essential Cooling Foam Pillow, King Size – Firm Memory Foam with Cooling Cover, Supports Side Sleepers, Breathable & Pressure-Relieving

**Brand:** casper
**Price:** ¥20236
**Availability:** ✅ In Stock

## Summary

> ❄️ Sleep cool, support firm — wake up unstoppable!

## Quick Answers

- **What is this?** Casper Sleep Essential Cooling Foam Pillow, King Size – Firm Memory Foam with Cooling Cover, Supports Side Sleepers, Breathable & Pressure-Relieving by casper
- **How much does it cost?** ¥20236 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/525762056-casper-sleep-essential-cooling-foam-pillow-king-size-firm-memory)

## Best For

- casper enthusiasts

## Why This Product

- Trusted casper brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Trusted by Millions:** Casper’s decade-long expertise ensures quality sleep backed by 4.5M+ happy sleepers.
- • **Stay Chill, Sleep Better:** Innovative cooling gel layer pulls heat away to prevent overheating.
- • **Breathe Easy, Sleep Fresh:** Temperature-regulating, breathable cover keeps you cool and odor-free.
- • **Unwavering Support All Night:** Firm memory foam maintains shape and alignment for side sleepers.
- • **King Size Comfort, Premium Feel:** Generous 34x18 inch size designed for luxurious, pressure-relieving rest.

## Overview

The Casper Sleep Essential Cooling Foam Pillow is a king-size, firm memory foam pillow designed specifically for side sleepers. Featuring a 5-inch thick supportive foam core combined with a cooling gel layer and a breathable, temperature-regulating cover, it ensures pressure relief and prevents overheating throughout the night. Backed by over 11 years of Casper’s sleep innovation and trusted by millions, this pillow offers durable, premium comfort that maintains its shape and freshness with easy care.

## Description

Experience all-night comfort with the Casper Essential Cooling Foam Pillow. Made with supportive memory foam and a breathable, temperature-regulating cover, this pillow keeps you cool and comfortable throughout the night. Its firm feel provides gentle pressure relief and proper alignment, making it perfect for side sleepers. Designed for a premium-feel sleep experience at an accessible price, this pillow combines comfort, support, and cooling in one versatile design.

Review: Best pillows - These pillows are the best I’ve ever had! They always look firm on the bed and are incredibly soft. The quality is exceptional, providing just the right balance of support and comfort. The durability of the pillows ensures they maintain their shape and plushness over time.
Review: Great Quality, Firm Pillow - I am giving this pillow 5 stars, though it did not work for me. I think it will be an excellent find for some who are looking for the qualities this pillow has. First of all, it is excellent quality. It does have a factory smell that I believe will dissipate after a couple days. It is definitely a firm. Like very firm. I am shocked to see people saying this is not a firm pillow. I have been looking for a firm pillow. I have tried 5 so far. They have all been too soft. Then comes this one and somehow it's too hard. I was so bummed. It's also very tall and because it is firm, I didn't sink in far enough into it and it made my neck hurt. I think it'll be awesome for someone else though. I envy that person because this is a great pillow. One thing I want to point out is that in the images for the pillow, it states it is 6 inches. In the product description it says 5 inches. It is in fact 6 inches. I was glad for this at first thinking I maybe wouldn't sink to the bottom. Instead it ended up being too tall. Overall this is a very quality pillow. Firm and supportive. I hope this helps someone in the pillow buying crisis like myself.

## Features

- 100% Foam
- PREMIUM MEMORY FOAM: Keeps its shape and firmness night after night, offering consistent support and a premium sleep experience for years to come
- DESIGNED FOR SIDE SLEEPERS: Memory foam contours to your head and neck, providing proper alignment and pressure relief, with a firm feel ideal for side sleepers
- COOL TOUCH COVER: Temperature-regulating, breathable fabric keeps you cool and stays fresh thanks to easy machine-wash care
- COOLING GEL LAYER: A layer of cooling gel pulls heat away, preventing overheating for a cool, comfortable sleep
- COMFORT YOU CAN COUNT ON: For over 11 years, Casper has helped more than 4.5 million people get better sleep for less

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0C35MFMXJ |
| Age Range Description | Adult |
| Best Sellers Rank | #7,955 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #52 in Bed Pillows |
| Brand Name | Casper |
| Color | Single Pack |
| Cover Material | Polyester |
| Customer Reviews | 4.4 out of 5 stars 6,281 Reviews |
| Fabric Type | 100% Foam |
| Fill Material | Memory Foam |
| Indoor Outdoor Usage | Indoor |
| Item Dimensions L x W | 34"L x 18"W |
| Item Firmness Description | Firm |
| Item Height | 5 inches |
| Item Thickness | 5 Inches |
| Item Type Name | Sleep King Foam Pillow – Cooling Memory Foam, Supportive Comfort for Side Sleepers, Breathable & Pressure-Relieving |
| Item Weight | 2.81 Kilograms |
| Manufacturer | Casper Sleep |
| Model Name | Casper Essential Cooling Foam Pillow |
| Number of Items | 1 |
| Other Special Features of the Product | Breathable, Cooling, Neck Support |
| Pattern | Plain |
| Pillow Type | Bed Pillow |
| Product Care Instructions | Dry Clean Only |
| Recommended Uses For Product | Cooling |
| Shape | Rectangular |
| Size | King |
| Style Name | Essential Cooling Foam Pillow |
| Theme | King |
| UPC | 192472029198 |
| Unit Count | 1.0 Count |

## Product Details

- **Fill Material:** Memory Foam
- **Pillow Type:** Bed Pillow
- **Color:** Single Pack
- **Size:** King
- **Brand:** Casper

## Images

![Casper Sleep Essential Cooling Foam Pillow, King Size – Firm Memory Foam with Cooling Cover, Supports Side Sleepers, Breathable & Pressure-Relieving - Image 1](https://m.media-amazon.com/images/I/71GVBlthfOL.jpg)

## Available Options

This product comes in different **Customer Package Type, Size, Style** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Best pillows
*by M***F on January 4, 2026*

These pillows are the best I’ve ever had! They always look firm on the bed and are incredibly soft. The quality is exceptional, providing just the right balance of support and comfort. The durability of the pillows ensures they maintain their shape and plushness over time.

### ⭐⭐⭐⭐⭐ Great Quality, Firm Pillow
*by C***V on January 28, 2025*

I am giving this pillow 5 stars, though it did not work for me. I think it will be an excellent find for some who are looking for the qualities this pillow has. First of all, it is excellent quality. It does have a factory smell that I believe will dissipate after a couple days. It is definitely a firm. Like very firm. I am shocked to see people saying this is not a firm pillow. I have been looking for a firm pillow. I have tried 5 so far. They have all been too soft. Then comes this one and somehow it's too hard. I was so bummed. It's also very tall and because it is firm, I didn't sink in far enough into it and it made my neck hurt. I think it'll be awesome for someone else though. I envy that person because this is a great pillow. One thing I want to point out is that in the images for the pillow, it states it is 6 inches. In the product description it says 5 inches. It is in fact 6 inches. I was glad for this at first thinking I maybe wouldn't sink to the bottom. Instead it ended up being too tall. Overall this is a very quality pillow. Firm and supportive. I hope this helps someone in the pillow buying crisis like myself.

### ⭐⭐⭐⭐ Almost Perfect Pillow
*by A***S on July 2, 2025*

This pillow is so close to perfect. It’s incredibly comfortable, supportive, and definitely cooler than a regular pillow. I love the hybrid feel—it’s plush but still holds its shape. That said, my head still sweats a little, so it’s not quite the magical cooling solution I hoped for. But overall, it’s the best pillow I’ve tried in a long time and a huge upgrade from what I had. Just shy of five stars, but still a keeper!

## Frequently Bought Together

- Casper Sleep, King Essential Cooling Foam Pillow, White
- Casper Sleep Essential Cooling Pillow, King, White
- Casper Sleep, King Casper Essential Cooling Hybrid Pillow, White

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-02-12*