As Doctor of Chiropractic and someone that has worked on designing, testing and working hand and hand with thousands of customers over 20+ years, I can tell you that I completely understand the challenges you are experiencing and would be happy to help! The mattress I created called Back Science really addresses all of the issues you are both experiencing, including solutions that Saatva was not able to address. First, if you look at how Saatva is showing their zoning, you will see that it is accomplished by putting an extra piece of memory foam under a portion of the mattress layering, which is not the same. The Back Science mattress offers more structured lumbar support through its double zoned, patent pending Lumbar-Flex interlocking support that does not have the speed bump like raised portion Saatva uses which can definitely put more pressure on the hips, which is a concern. Also, Back Science was specifically tested with the Mattress Checker App. to objectively verify that your postural alignment will be properly maintained in order to help prevent the lower back from sinking too deeply, while allowing more pressure on the shoulders, which can lead discomfort and potential back problems over time. The Back Science Mattress is something I created after many years of seeing patients who suffered from back and shoulder issues due to poor mattress support and was developed by specifically performing hundreds of postural checks using the App. to really ensure that it works.
Another difference comes from the quality of the coils and density of the foams used. With Back Science, we are using extremely high-quality, all U.S.A. made components, such as our over 1,000 count individually wrapped coils and is a true hybrid system that uses a Hypergel foam on the surface, which will give that weightless pressure relief, but with a much more buoyant/springy surface that differs substantially from memory foam, but is far more contouring than a traditional quilted cover and therefore, more pressure relieving on the hips and shoulders. Another difference between Saatva and Back Science is that Saatva our two companies offer a 365-night sleep trial, but to that point, you will never know how a mattress will perform until you sleep on it, so unlike Saatva, our full 365-night trial allows for free customizations if needed to first try and solve the issue before returning or exchanging the mattress. That is part of Back Science’s success, though 9 out of 10 Back Science users love the way the mattress performs without any modifications. In your case, I really believe that the Back Science Series 3 would be perfect for relieving your shoulder and hip issues. However, if modifications are needed, it is a simple exchange of comfort and/or zone layering via UPS that can insert into our proprietary GripLock™ modular cover system.
Regarding the mattress causing your body to heat-up, you will be happy to know that our Back Science Hybrid Series mattresses all use our patented Airflow Transfer System that allows air to ventilate through the thousands of small holes in the top foam layers and channel out the sides, while allowing the reverse to also occur in order to get up to 100 Xs more breathability. According to a recent TrustPilot.org Survey, 96% of the respondents were cooler on Back Science than their last mattress.
Lastly, I will add that I get the privilege of working direct with thousands of customers thanks to our flagship Ultrabed mattress store location in Southern California and I can tell you from my many customer interactions, that Back Science does bridge that gap that is found when traditional spring mattresses and memory foam mattresses won’t solve the problem that is required when someone requires more pressure relief, but does not want to sink in too much and gets hot.
I hope that helps explain things, but feel free to write back if you have any questions, You can reach me back at this forum or email us direct. Also, if you do purchase a Back Science mattress, be sure to use the 10% off TMU10 discount code we give to The Mattress Underground members.