--- product_id: 729901165 title: "King Mattress, 10 Inch Hybrid Mattresses Black with Gel Memory Foam and Individually Pocket Innerspring Euro Top Medium Firm for Motion Isolation, Edge Support, 100 Night Trial" brand: "duchessz" price: "¥262329" currency: JPY in_stock: false reviews_count: 8 category: "Duchessz" url: https://www.desertcart.jp/products/729901165-king-mattress-10-inch-hybrid-mattresses-black-with-gel-memory store_origin: JP region: Japan --- # Gel-infused memory foam Motion isolation tech 10-inch hybrid design King Mattress, 10 Inch Hybrid Mattresses Black with Gel Memory Foam and Individually Pocket Innerspring Euro Top Medium Firm for Motion Isolation, Edge Support, 100 Night Trial **Brand:** duchessz **Price:** ¥262329 **Availability:** ❌ Out of Stock ## Summary > 🛌 Elevate your nights—sleep smarter, live better. ## Quick Answers - **What is this?** King Mattress, 10 Inch Hybrid Mattresses Black with Gel Memory Foam and Individually Pocket Innerspring Euro Top Medium Firm for Motion Isolation, Edge Support, 100 Night Trial by duchessz - **How much does it cost?** ¥262329 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/729901165-king-mattress-10-inch-hybrid-mattresses-black-with-gel-memory) ## Best For - duchessz enthusiasts ## Why This Product - Trusted duchessz brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Adaptive Hybrid Support:** High-density memory foam + pocket springs cradle every sleep style with medium-firm balance. - • **Silent Sleep Technology:** Individually wrapped coils minimize motion transfer for undisturbed rest, perfect for couples. - • **Certified Safe & Durable:** CertiPUR US & Oeko-Tex Standard 104 certified foams ensure toxin-free, long-lasting comfort. - • **Reinforced Edge Stability:** Premium foam and thicker springs provide superior edge support—sit, sleep, and lounge confidently. - • **Risk-Free 100 Night Trial:** Experience transformative sleep backed by a 10-year warranty and hassle-free trial period. ## Overview The Duchessz King Mattress is a 10-inch hybrid mattress combining gel-infused memory foam with individually pocketed innersprings. Designed for medium-firm support, it adapts to all sleeping positions while offering advanced motion isolation and reinforced edge support. Certified for safety and durability, it comes with a 100-night trial and a 10-year warranty, making it a premium choice for restful, undisturbed sleep. ## Description Buy Duchessz King Mattress, 10 Inch Hybrid Mattresses Black with Gel Memory Foam and Individually Pocket Innerspring Euro Top Medium Firm for Motion Isolation, Edge Support, 100 Night Trial: Mattresses - desertcart.com ✓ FREE DELIVERY possible on eligible purchases Review: Best mattress ever - Dear Reader, Elevate your nightly rest to an unparalleled standard with a meticulously engineered sleep system designed for optimal well-being. This innovative mattress provides sophisticated ergonomic support, gently cradling your body to create a sensation of weightlessness. Its precise design is dedicated to effectively targeting and alleviating pressure points, thereby ensuring profoundly restorative comfort throughout the night. Central to its exceptional performance is the advanced micro-coil technology. These highly flexible coils significantly outperform conventional spring systems, intuitively adapting to your body's unique contours. This dynamic responsiveness guarantees comprehensive body-conforming support, coupled with reinforced stability across both the mattress's core and its perimeter zones. Furthermore, the sophisticated construction incorporates advanced motion isolation capabilities. This thoughtful design ensures that any disturbances from movement are effectively absorbed, promoting an exceptionally undisturbed sleep environment for all occupants. Addressing thermal comfort, the system integrates a comprehensive cooling architecture. It features a luxuriously soft, naturally breathable cover, expertly crafted from premium organic cotton. Internally, highly breathable foams and a distinctive dual-coil framework work in unison. This integrated approach maximizes airflow and facilitates efficient heat dissipation, actively regulating your body temperature to ensure a consistently cooler and more refreshing sleep experience. As an individual who has personally invested in the 14-inch model, I can confidently attest that its comfort and superior design unequivocally justify the investment. Sincerely, Geneva Reed Review: Well worth - Perfect firmness, comfy, well worth. Haven’t gotten any back pain , i sleep like a baby lol. It was easy to remove from the plastic and fluff to 14inch as soon as the plastic was removed. I did wait until 48 hours but it seem i didnt had to because nothing really changed. I slept flat without a pillow under my head and i must say i slept very good which is rare to not wake up with pain on other mattresses while sleeping without a pillow. The sides do sink when being sat on but i always hear no matter how good a mattress is never sit on the edges , but you can sit in the middle with feet hanging instead of the edge. I do not have a problem with that. Hopefully this will last for a long time. I recommend. ## Features - 【Supportive for Various Sleeping Positions】: This medium firm king mattress is designed to offer unparalleled support for individuals of all sizes with its unique combination of high-density memory foam and sturdy pocket springs. The hybrid mattress easily adjusts to different body shapes and sleeping styles, ensuring a comfortable night's sleep for everyone. - 【Elevate Your Sleep Experience】: Upgrade your sleep sanctuary with our CertiPUR US and Oeko-Tex Standard 104 certified Duchessz king hybrid mattress for unmatched safety and durability. All foam materials have undergone rigorous testing to ensure they are free of harmful substances and fiberglass, making it a secure choice for your home. - 【Silent Sleep, Motion Isolated】: Enjoy a peaceful night's sleep without disturbances with our medium firm hybrid king mattress featuring individual pocket springs that minimize noise and motion transfer, making it perfect for couples sharing a bed. Rest assured that you will remain undisturbed throughout the night for a truly serene sleep experience. - 【Advanced Edge Support for Maximum Comfort】: Engineered with premium high-density foam, the luxurious Duchessz king mattress offers optimal medium firm support to the spring perimeter, enhancing edge stability. The reinforced edges with thicker springs ensure a durable and steady sleep surface, providing unparalleled comfort and support for a restful night's sleep. - 【10-year Warranty Guarantee】: Rest easy knowing that your hybrid king mattress is backed by a 10-year warranty. Our dedication to quality ensures your mattress will provide restful sleep for years to come. For optimal results, we recommend allowing the mattress to fully expand for 48-72 hours after unboxing before use. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0DWX6VC24 | | Best Sellers Rank | #26,096 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #134 in Mattresses | | Customer Reviews | 4.4 4.4 out of 5 stars (1,387) | | Date First Available | February 12, 2025 | | Item Weight | 66 pounds | | Item model number | A1-101214 | | Product Dimensions | 80 x 76 x 10 inches | ## Product Details - **Brand:** Duchessz - **Cover Material:** Cotton - **Fill Material:** Gel Memory Foam, High Density Foam - **Item Firmness Description:** Medium Firm - **Item Weight:** 66 Pounds - **Number of Layers:** 3 - **Product Dimensions:** 80"L x 76"W x 10"Th - **Size:** King - **Top Style:** Euro Top - **Weight Limit:** 600 Pounds ## Images ![King Mattress, 10 Inch Hybrid Mattresses Black with Gel Memory Foam and Individually Pocket Innerspring Euro Top Medium Firm for Motion Isolation, Edge Support, 100 Night Trial - Image 1](https://m.media-amazon.com/images/I/415S5xsZlqL.jpg) ![King Mattress, 10 Inch Hybrid Mattresses Black with Gel Memory Foam and Individually Pocket Innerspring Euro Top Medium Firm for Motion Isolation, Edge Support, 100 Night Trial - Image 2](https://m.media-amazon.com/images/I/41EyPfHsj2L.jpg) ![King Mattress, 10 Inch Hybrid Mattresses Black with Gel Memory Foam and Individually Pocket Innerspring Euro Top Medium Firm for Motion Isolation, Edge Support, 100 Night Trial - Image 3](https://m.media-amazon.com/images/I/41Paw4i8LFL.jpg) ![King Mattress, 10 Inch Hybrid Mattresses Black with Gel Memory Foam and Individually Pocket Innerspring Euro Top Medium Firm for Motion Isolation, Edge Support, 100 Night Trial - Image 4](https://m.media-amazon.com/images/I/41f1QrzZoPL.jpg) ![King Mattress, 10 Inch Hybrid Mattresses Black with Gel Memory Foam and Individually Pocket Innerspring Euro Top Medium Firm for Motion Isolation, Edge Support, 100 Night Trial - Image 5](https://m.media-amazon.com/images/I/41fJYLbKRoL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Best mattress ever *by M***Y on December 6, 2025* Dear Reader, Elevate your nightly rest to an unparalleled standard with a meticulously engineered sleep system designed for optimal well-being. This innovative mattress provides sophisticated ergonomic support, gently cradling your body to create a sensation of weightlessness. Its precise design is dedicated to effectively targeting and alleviating pressure points, thereby ensuring profoundly restorative comfort throughout the night. Central to its exceptional performance is the advanced micro-coil technology. These highly flexible coils significantly outperform conventional spring systems, intuitively adapting to your body's unique contours. This dynamic responsiveness guarantees comprehensive body-conforming support, coupled with reinforced stability across both the mattress's core and its perimeter zones. Furthermore, the sophisticated construction incorporates advanced motion isolation capabilities. This thoughtful design ensures that any disturbances from movement are effectively absorbed, promoting an exceptionally undisturbed sleep environment for all occupants. Addressing thermal comfort, the system integrates a comprehensive cooling architecture. It features a luxuriously soft, naturally breathable cover, expertly crafted from premium organic cotton. Internally, highly breathable foams and a distinctive dual-coil framework work in unison. This integrated approach maximizes airflow and facilitates efficient heat dissipation, actively regulating your body temperature to ensure a consistently cooler and more refreshing sleep experience. As an individual who has personally invested in the 14-inch model, I can confidently attest that its comfort and superior design unequivocally justify the investment. Sincerely, Geneva Reed ### ⭐⭐⭐⭐⭐ Well worth *by A***G on November 4, 2025* Perfect firmness, comfy, well worth. Haven’t gotten any back pain , i sleep like a baby lol. It was easy to remove from the plastic and fluff to 14inch as soon as the plastic was removed. I did wait until 48 hours but it seem i didnt had to because nothing really changed. I slept flat without a pillow under my head and i must say i slept very good which is rare to not wake up with pain on other mattresses while sleeping without a pillow. The sides do sink when being sat on but i always hear no matter how good a mattress is never sit on the edges , but you can sit in the middle with feet hanging instead of the edge. I do not have a problem with that. Hopefully this will last for a long time. I recommend. ### ⭐⭐⭐⭐⭐ Best bed I've ever purchased! *by K***R on December 7, 2025* This bed is amazing!! It is super comfortable, I get an incredible night's rest. I can sit on the edge without feeling like I'm about to fall off It's firm but also contours to my body. The color is amazing! I knew I didn't want white again after that always being the option. This black was perfect. I was considering a more expensive bed at over $4K.... I'm so so grateful that I paused that purchase and bought this one instead. Highly recommend! ## Frequently Bought Together - Duchessz King Mattress, 10 Inch Hybrid Mattresses Black with Gel Memory Foam and Individually Pocket Innerspring Euro Top Medium Firm for Motion Isolation, Edge Support, 100 Night Trial - NEW JETO Metal Bed Frame,Full Size Bed Frame with Storage Space,Heavy Duty Sturdy Mattress Foundation,Easy Assembly,No Box Spring Needed, Black,14 Inch,Full --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.jp/products/729901165-king-mattress-10-inch-hybrid-mattresses-black-with-gel-memory](https://www.desertcart.jp/products/729901165-king-mattress-10-inch-hybrid-mattresses-black-with-gel-memory) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-11-01*