مرتبة سيمونز بيوتيريست هارموني كاربون إكسترا فيرم كال كينج - 700810905-1070

The carbon fiber coils in this California king mattress deliver incredible edge support without any sagging when I sit on the side. It’s noticeably firmer than my old mattress in a good way, and I’ve been waking up without any back stiffness for the first time in months.

After years of tossing and turning, I finally wake up without that morning stiffness thanks to the new coil design that really supports my hips and shoulders. The extra firm feel is perfect for stomach sleeping, and the cooling cover keeps me from sweating through the night.

My back has been feeling so much better since switching to this mattress — the new coil design really locks in support without any sagging. The cooling fabric actually keeps me from waking up sweaty, which was my main issue with my old bed. For the price, this extra firm feels like it'll last for ye