--- product_id: 292139213 title: "ViscoSoft (King) - 10cm King Luxury Dual Layer Gel-Infused Memory Foam Mattress Topper - Includes Quilted, Down-Alternative Pillow Top Cover - Made in USA" brand: "viscosoft" price: "¥71533" currency: JPY in_stock: false reviews_count: 5 url: https://www.desertcart.jp/products/292139213-viscosoft-king-10cm-king-luxury-dual-layer-gel-infused-memory store_origin: JP region: Japan --- # Gel-infused cooling foam 4-inch dual-layer comfort Proudly made in USA ViscoSoft (King) - 10cm King Luxury Dual Layer Gel-Infused Memory Foam Mattress Topper - Includes Quilted, Down-Alternative Pillow Top Cover - Made in USA **Brand:** viscosoft **Price:** ¥71533 **Availability:** ❌ Out of Stock ## Summary > 🛌 Elevate your sleep game with ViscoSoft — where luxury meets science! ## Quick Answers - **What is this?** ViscoSoft (King) - 10cm King Luxury Dual Layer Gel-Infused Memory Foam Mattress Topper - Includes Quilted, Down-Alternative Pillow Top Cover - Made in USA by viscosoft - **How much does it cost?** ¥71533 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/292139213-viscosoft-king-10cm-king-luxury-dual-layer-gel-infused-memory) ## Best For - viscosoft enthusiasts ## Why This Product - Trusted viscosoft brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Stay Cool, Stay Refreshed:** Innovative gel formula and breathable design ensure you never overheat, delivering a perfectly balanced sleep temperature. - • **Made in the USA with Pride:** Crafted domestically to meet strict safety and consumer protection standards, ensuring peace of mind with every sleep. - • **Effortless Clean & Secure Fit:** Machine washable quilted cover with elastic straps keeps your topper perfectly in place on mattresses up to 18 inches thick. - • **Sleep Like Royalty Every Night:** Experience 2.5 inches of gel-infused memory foam paired with 1.5 inches of plush down-alternative for unmatched comfort and support. - • **Built to Last, Tested to Impress:** Enhanced foam formula rigorously tested by SGS, ITS, and TüV guarantees durability and premium quality you can trust. ## Overview The ViscoSoft King mattress topper features a 4-inch dual-layer design combining 2.5 inches of gel-infused memory foam and 1.5 inches of plush down-alternative cover. Engineered for superior cooling, pressure relief, and durability, it includes a removable, washable quilted cover with elastic straps for a secure fit on mattresses up to 18 inches thick. Proudly made in the USA and tested by leading labs, this topper transforms any mattress into a luxurious, pain-relieving sleep haven. ## Description Unique Gel-Infused Memory Foam Formula: Memory foam conforms to your body's curves to create a sleep surface that eliminates pressure points and aligns the spine. This 2.5 inches of memory foam has been infused with a unique gel formula that is breathable, responsive and incredibly comfortable. That combined with our superior heat transfer coefficient means that this memory foam won't sleep hot like traditional memory foam. Dare to compare it to the competition- you'll see the difference. Plush Quilted Down-Alternative Cover With Elastic Straps - This mattress topper features a machine washable cover that provides an extra 1.5 inches of down-alternative in an ultra-soft quilted cover. The quilted cover is made from a 300-thread count 100% sateen cotton fabric with excellent finishing, to ensure both smoothness and durability of the fabric. The cover boasts convenient elastic straps that keep the memory foam portion in place inside the cover, and along the entire skirt of the quilted cover is a strong elastic for a secure fit on any mattress measuring up to 18" thick. Proudly Made In The USA - We proudly manufacture the 4-Inch Luxury Dual Layer Topper right here in the United States further ensuring that you receive a safe, high-quality product. You can rest easy in your bed at night knowing that your topper complies with American consumer protection laws and safety standards. Comfortably Cool Sleep Environment By using only the highest-quality textiles possible, this 4" dual layer mattress topper will give you the best of both worlds. Not only does this superior memory foam, made in Indiana, sleep cooler than traditional memory foam by capturing and distributing body heat evenly, but the quilted cover gives even more space between your body and the memory foam, ensuring that you sleep cool and comfortable all-night long. Review: Nice way to extend the life of a mattress. Very comfy. Review: I rarely leave a review but this product has been life changing. SUPER comfortable and excellent quality. It has fixed my sleep and my back and shoulder pain. Absolutely love it and highly recommend it. ## Features - Transform Your Sleep - The American Made Serene 4" High Density topper is made from a 2.5 inch of temperature neutral gel memory foam and1.5 inch of plush down cover to provide comfort and support. - Relieve Pain & Soreness - Utilizing thousands of testing hours and reviews the toppers designed to balance of softness and support. Alleviate back, hip or general soreness associated with a firm or old mattress. - Focus on Quality & Durability - Changes to our innovative foam formula have enhanced its strength and stability. Extensive testing from labs such as SGS, ITS, TüV, ensures compliance to deliver superior feel and quality. - Removable & Washable Plush Cover Pad - Designed for comfort and convenience the dual layer has been tested for shrinkage, piling, appearance and other standards to guarantee durable comfort. Follow the care instructions provided when washing the cover. ## Technical Specifications | Specification | Value | |---------------|-------| | Brand | ViscoSoft | | Color | White, Blue | | Product Dimensions | 203.2 x 193.04 x 50.8 cm; 14.74 kg | | Material | comfort | | Special Features | Durability,Removable | | Item Weight | 14.7 Kilograms | ## Product Details - **Brand:** ViscoSoft - **Colour:** White, Blue - **Fabric Type:** Cotton - **Size:** King - **Special features:** Durability,Removable ## Images ![ViscoSoft (King) - 10cm King Luxury Dual Layer Gel-Infused Memory Foam Mattress Topper - Includes Quilted, Down-Alternative Pillow Top Cover - Made in USA - Image 1](https://m.media-amazon.com/images/I/717r6gjUaOL.jpg) ![ViscoSoft (King) - 10cm King Luxury Dual Layer Gel-Infused Memory Foam Mattress Topper - Includes Quilted, Down-Alternative Pillow Top Cover - Made in USA - Image 2](https://m.media-amazon.com/images/I/71mJz3-QXDL.jpg) ![ViscoSoft (King) - 10cm King Luxury Dual Layer Gel-Infused Memory Foam Mattress Topper - Includes Quilted, Down-Alternative Pillow Top Cover - Made in USA - Image 3](https://m.media-amazon.com/images/I/612OTsWEfiL.jpg) ![ViscoSoft (King) - 10cm King Luxury Dual Layer Gel-Infused Memory Foam Mattress Topper - Includes Quilted, Down-Alternative Pillow Top Cover - Made in USA - Image 4](https://m.media-amazon.com/images/I/71dTXOwJbdL.jpg) ![ViscoSoft (King) - 10cm King Luxury Dual Layer Gel-Infused Memory Foam Mattress Topper - Includes Quilted, Down-Alternative Pillow Top Cover - Made in USA - Image 5](https://m.media-amazon.com/images/I/71KfhXYFJyL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐ Review *by J***6 on 11 May 2021* Nice way to extend the life of a mattress. Very comfy. ### ⭐⭐⭐⭐⭐ Review *by C***D on 16 April 2026* I rarely leave a review but this product has been life changing. SUPER comfortable and excellent quality. It has fixed my sleep and my back and shoulder pain. Absolutely love it and highly recommend it. ### ⭐⭐⭐⭐⭐ Review *by D***O on 16 April 2026* I’ve been using a stone bed, and other mats would always slide around, which was very uncomfortable. But this mat stays in place and feels so cozy that I can finally get a deep, restful sleep. I honestly wish I had found this product much earlier—it would have saved me from buying several other mats that didn’t work as well. Now, thanks to this mat, my evenings feel so much more comfortable and enjoyable. ## Frequently Bought Together - ViscoSoft 4 Inch Pillow Top Memory Foam Mattress Topper King - Cooling Hybrid Lux Dual Layer Bed Mattress Pad - CertiPur-US Certified - Beckham Hotel Collection Bed Pillows King Size Set of 2 - Down Alternative Bedding Gel Cooling Big Pillow for Back, Stomach or Side Sleepers - PlushDeluxe Premium Bamboo Mattress Protector – King Size, Waterproof, & Ultra Soft Breathable Noiseless Washable Bed Mattress Cover for Comfort & Protection - White --- ## 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/292139213-viscosoft-king-10cm-king-luxury-dual-layer-gel-infused-memory](https://www.desertcart.jp/products/292139213-viscosoft-king-10cm-king-luxury-dual-layer-gel-infused-memory) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-07-07*