--- product_id: 579941399 title: "Siena 8” Twin Mattress - Memory Foam - Medium Firm - 180 Night Trial - Premium Pressure-Relieving Layers - 10 Year Warranty - Mattress in a Box - CertiPUR-US Certified" brand: "siena" price: "$571.04" currency: USD in_stock: true url: https://www.desertcart.us/products/579941399-siena-8-twin-mattress-memory-foam-medium-firm-180-night store_origin: US region: United States of America --- # 180-night risk-free trial 8-inch medium-firm memory foam 10-year warranty coverage Siena 8” Twin Mattress - Memory Foam - Medium Firm - 180 Night Trial - Premium Pressure-Relieving Layers - 10 Year Warranty - Mattress in a Box - CertiPUR-US Certified **Brand:** siena **Price:** $571.04 **Availability:** ✅ In Stock ## Summary > 🛌 Elevate your sleep game with Siena — where comfort meets confidence! ## Quick Answers - **What is this?** Siena 8” Twin Mattress - Memory Foam - Medium Firm - 180 Night Trial - Premium Pressure-Relieving Layers - 10 Year Warranty - Mattress in a Box - CertiPUR-US Certified by siena - **How much does it cost?** $571.04 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/579941399-siena-8-twin-mattress-memory-foam-medium-firm-180-night) ## Best For - siena enthusiasts ## Why This Product - Trusted siena brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built to Last:** Backed by a 10-year manufacturer warranty, ensuring durability and peace of mind. - • **Risk-Free Rest:** Enjoy a 180-night home trial that lets you test your best sleep ever, no questions asked. - • **Eco-Safe & Clean:** CertiPUR-US certified, free from harmful chemicals and fiberglass, promoting a healthier bedroom environment. - • **Sleep on Cloud Nine:** Premium 4-layer memory foam adapts perfectly to your body curves for pressure relief and spinal alignment. - • **Motion Isolation Master:** Advanced foam layers minimize partner and pet movement disturbances for uninterrupted sleep. ## Overview The Siena 8” Twin Mattress features a medium-firm, 4-layer memory foam design with gel-infused comfort for optimal pressure relief and spinal support. Certified safe and eco-friendly, it offers a 180-night trial and a 10-year warranty, making it a smart, risk-free investment in restorative sleep. ## Description We believe everyone should be sleeping on a truly comfortable mattress. A mattress that is designed to support your body in all the right places - so you fall asleep fast & wake up feeling refreshed! A great sleep shouldn’t cost the earth. You won’t see Siena advertised on TV - we put the highest quality materials into our mattresses so you can enjoy a great sleep at a great price. ## Features - 180-NIGHT HOME TRIAL and 10 YEAR MANUFACTURER WARRANTY - Rest easy with a Siena twin mattress. You'll enjoy a 180-night home trial, and we stand by our product – if there’s any defect or flaw in your Siena in the first 10 years, we'll replace or repair it for free. - FOUR LAYERS OF COMFORT - Siena doesn’t compromise on comfort. We might cost a lot less than our competitors, but your Siena mattress sure packs a punch when it comes to responsive comfort, supporting proper spinal alignment, and relieving pressure points. With lots of motion-reducing foam, you won’t be disturbed if your partner or pet moves. - MEMORY FOAM - A 1.5" layer of pressure relieving memory foam adapts to your unique body shape and size, while contouring to your curves. - MEDIUM FIRM AND SUPPORTIVE - Finding the perfect firmness is a breeze with the Siena. It's medium-firm, striking the ideal balance between comfort and support for a restful night's sleep. - SIMPLE TO SET UP - Just move the box to the room you want to use it in, unbox and unroll your mattress, and watch it expand before your eyes. Your Siena will be snooze-ready in 24 hours. - SAFE & FIBERGLASS FREE - Your Siena mattress is made without ozone depletors, mercury, lead, formaldehyde, phthalates and other harmful substances that can be in consumer products ## Technical Specifications | Specification | Value | |---------------|-------| | Mattress Comfort Layer Material | Gel Memory Foam, Comfort Foam | | Material Type | Gel Memory Foam, Memory Foam | | Fill Material | Gel Memory Foam, Memory Foam | | Product Care Instructions | Hand Wash Only | | Cover Material | Gel-infused Material | | Item Weight | 28 Pounds | | Item Dimensions L x W x Thickness | 75"L x 38"W x 8"Th | | Size | Twin | | Color | White | | Top Style | Gel Top | | Is Customizable? | No | | Construction Type | Memory Foam | | Portable | No | | Is Foldable | No | | Is Electric | No | | Special Features | Pressure-Relieving Gel Memory Foam, CertiPUR-US® Certified, Simple to Set Up, Medium Firm, Breathable | | Item Firmness Description | Medium Firm | | Number of Layers | 5 | ## Product Details - **Style:** 8" Essential - **Size:** Twin - **Special Feature:** 180 Night Trial, Back Pain Relief, Breathable and Cool, Low Motion Transfer, Pressure Relief - **Color:** White - **Upholstery Fabric Type:** Polyester Blend ## Images ![Siena 8” Twin Mattress - Memory Foam - Medium Firm - 180 Night Trial - Premium Pressure-Relieving Layers - 10 Year Warranty - Mattress in a Box - CertiPUR-US Certified - Image 1](https://m.media-amazon.com/images/I/718zyr46lQL.jpg) ## Available Options This product comes in different **Pattern Name, Size, Style** options. ## Frequently Bought Together - Siena 8” Twin Mattress - Gel Memory Foam - Medium Firm - 180 Night Trial - Premium Pressure-Relieving Layers - 10 Year Warranty - Mattress in a Box - CertiPUR-US Certified - HLIPHA Metal Platform Bed Frame 14 Inch Tall,No Box Spring Needed,Twin Size Bed with Heavy Duty Strong Support Slats,Easy to Assemble,Black --- ## 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.us/products/579941399-siena-8-twin-mattress-memory-foam-medium-firm-180-night](https://www.desertcart.us/products/579941399-siena-8-twin-mattress-memory-foam-medium-firm-180-night) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-05-17*