Serta Perfect Sleeper Elite Trelleburg II 11.5" Firm Mattress is a top-rated mattress that offers the perfect combination of comfort and support. The firmness level is ideal for those who prefer a more supportive sleeping surface, while still providing enough cushion to relieve pressure points. This mattress is designed to provide a cool and comfortable sleep experience, thanks to its advanced cooling technology and breathable layers. The Serta Perfect Sleeper Elite Trelleburg II is a part of Serta's exclusive Perfect Sleeper collection, which is designed with input from the National Sleep Foundation to provide the perfect balance of comfort and support for a good night's sleep. This mattress is designed to reduce tossing and turning, so you can wake up feeling refreshed and rejuvenated.1. Serta Perfect Sleeper Elite Trelleburg II 11.5" Firm Mattress
If you're looking for a Sealy Posturepedic mattress that offers a similar feel to the Serta iSeries 100 firm, then the Sealy Posturepedic Plus Series Ashton Cushion Firm Mattress is the perfect choice. This mattress is designed to provide exceptional support and comfort, with its advanced coil system and cushioned top layer. The Ashton Cushion Firm is a part of Sealy's Posturepedic Plus Series, which is engineered to provide targeted support and pressure relief for a more comfortable sleep. This mattress also features Sealy's Response Pro HD Encased Coil System, which provides excellent support and reduces motion transfer for undisturbed sleep.2. Sealy Posturepedic Plus Series Ashton Cushion Firm Mattress
The Beautyrest Silver BRS900 11.75" Extra Firm Mattress is a high-quality mattress that provides exceptional support and comfort. This mattress features Beautyrest's exclusive DualCool Technology, which helps regulate body temperature and keep you cool throughout the night. This mattress is also designed with Beautyrest's Pocketed Coil Technology, which provides individualized support and reduces motion transfer for a more comfortable sleep. The extra firm comfort level is perfect for those who prefer a firmer sleeping surface, similar to the Serta iSeries 100 firm.3. Beautyrest Silver BRS900 11.75" Extra Firm Mattress
The Stearns & Foster Estate Rockwell Luxury Firm Mattress is a luxurious and supportive mattress that is comparable to the Serta iSeries 100 firm. This mattress is designed with Stearns & Foster's Intellicoil Advanced Coil System, which adapts to your body's shape for personalized support and reduced motion transfer. The Estate Rockwell Luxury Firm also features PrimaCool Performance Fabric, which is designed to provide a cool and comfortable sleep surface. This mattress is perfect for those who want the luxurious feel of a Stearns & Foster mattress combined with the support of a firm mattress.4. Stearns & Foster Estate Rockwell Luxury Firm Mattress
The Tempur-Pedic TEMPUR-ProAdapt Firm Mattress is a top-of-the-line mattress that offers the perfect balance of comfort and support. This mattress features Tempur-Pedic's exclusive TEMPUR-APR+ material, which provides advanced pressure relief and a more responsive feel. The ProAdapt Firm also features Tempur-Pedic's SmartClimate Dual Cover System, which is designed to keep you cool and comfortable all night long. This mattress is perfect for those who want the contouring support of a Tempur-Pedic mattress with a firmer feel, similar to the Serta iSeries 100 firm.5. Tempur-Pedic TEMPUR-ProAdapt Firm Mattress
The Simmons Beautyrest Black Hybrid X-Class Ultra Plush Mattress is a top-rated mattress that offers the ultimate in comfort and support. This mattress is designed with Simmons' exclusive T3 Pocketed Coil Technology, which provides exceptional support and reduces motion transfer for an undisturbed sleep. The Black Hybrid X-Class Ultra Plush also features Simmons' exclusive BlackICE 4.0 Technology, which is designed to keep you cool and comfortable while you sleep. This mattress provides a plush and luxurious feel, similar to the Serta iSeries 100 firm.6. Simmons Beautyrest Black Hybrid X-Class Ultra Plush Mattress
The Sleep Number c2 Smart Bed Mattress is a customizable mattress that offers the perfect balance of support and comfort. This mattress is designed with Sleep Number's DualAir technology, which allows you to adjust the firmness level on each side of the bed to your preferred comfort level. The c2 Smart Bed also features Sleep Number's exclusive SleepIQ technology, which tracks your sleep and provides personalized insights to help you get a better night's rest. This mattress is perfect for couples who have different preferences in terms of firmness, similar to the Serta iSeries 100 firm.7. Sleep Number c2 Smart Bed Mattress
The Casper Original Hybrid Mattress is a high-quality mattress that offers the perfect combination of comfort and support. This mattress features Casper's exclusive Zoned Support System, which provides targeted support for your shoulders, hips, and core. The Original Hybrid also features Casper's exclusive AirScape Foam, which is designed to provide a cool and comfortable sleep experience. This mattress is perfect for those who want a medium-firm mattress, similar to the Serta iSeries 100 firm.8. Casper Original Hybrid Mattress
The Purple Hybrid Premier 3 Mattress is a unique and innovative mattress that offers the perfect balance of firmness and pressure relief. This mattress is designed with Purple's exclusive Purple Grid, which provides support and comfort without sacrificing airflow. The Hybrid Premier 3 also features Purple's exclusive 2" Responsive Support Coils, which provide targeted support and reduce motion transfer for a more comfortable sleep. This mattress is perfect for those who want a unique and supportive mattress similar to the Serta iSeries 100 firm.9. Purple Hybrid Premier 3 Mattress
The Tuft & Needle Mint Mattress is a high-quality mattress that offers the perfect combination of support and pressure relief. This mattress is designed with Tuft & Needle's exclusive Adaptive Foam, which provides a comfortable and supportive sleep surface. The Mint Mattress also features Tuft & Needle's exclusive Cooling Gel Foam, which helps regulate body temperature and keep you cool throughout the night. This mattress is perfect for those who want a medium-firm mattress similar to the Serta iSeries 100 firm, with the added benefit of pressure relief.10. Tuft & Needle Mint Mattress