Simmons Beautyrest Silver BRS900 中等硬度 Twin XL 12吋 床墊 - 700810103-1020

The medium firmness hits the sweet spot—supportive enough for my back but still soft on my hips. After a month, I can already tell the pocketed coils are holding up better than my old mattress did at this point.

I was worried about sagging over time, but the increased durability claim seems legit so far—the mattress keeps its shape perfectly after two months. My partner and I both sleep cooler and wake up without any aches.

Three weeks in and the twin XL still feels as firm and supportive as day one, which is exactly what I hoped for with that durability promise. The medium firmness hits the sweet spot for my back, and I can already tell this thing isn't going to sag into a hammock after a few months.