Extra Firm Twin Mattress 10 Inch, Deep Sleep Hybrid Mattress for Lumbar Support & Back Side Sleepers, Pain Relief Mattresses in a Box with Pocket Springs & Cooling Gel - 365-Night Trial, CertiPUR-US

Features

• Just-Right Comfort Where You Need It - Hundreds of 2.0mm high-compression springs adapt to your body's unique curves, delivering targeted support and pressure relief. Reinforced with industrial-grade steel, these springs hold their shape for years of use. So you wake up without stiffness - just refreshed, balanced comfort
• Breathable Hybrid Mattress Twin - Unlike all-foam mattresses that trap heat, this coil-and-foam hybrid mattress combines responsive coils with premium foam layers to promote continuous airflow. The open structure of the hybrid system acts like tiny ventilation channels, helping you stay comfortable throughout the night
• Ideal Spinal Alignment for All Positions - Engineered to maintain optimal spinal alignment all night, this twin mattress caters to all sleep positions. Side sleepers enjoy perfect cushioning for shoulders and hips, back sleepers receive enhanced lumbar support, while combination sleepers experience effortless transitions - all for deeper, restorative rest
• Fiberglass-Free, Certified Materials - Worried about chemicals in your mattress? VISCOFLEX 10-inch twin size mattress contains no fiberglass or off-gassing. With ultra-low VOCs that meet strict CertiPUR-US standards, it lets you breathe easy and sleep safe with your family
• About VISCOFLEX - Certified by CertiPUR-US and OEKO-TEX, VISCOFLEX twin size mattresses are crafted to offer lasting comfort and peace of mind. Enjoy a 365-night home trial and 10 years of coverage, with dedicated sleep consultants ready to support you every step of the way
• Extra Firm Twin Mattress 10 Inch - Deep Sleep - Lumbar Support & Back Side Sleepers