Yawnder Reviews · Legacy review restored September 2026
Silk Symphony Mattress Review: Two-Sided Firmness Testing Restored
The Silk Symphony page had lost the original two-sided testing, bowling-ball comparisons, construction photos, motion observations and heat test.
Two-sided design
The reviewed Silk Symphony used a plush side and a noticeably firmer reverse side. That was not a cosmetic difference: the comfort layers and quilting changed how deeply the sleeper sank into the mattress.
Bowling-ball comparison
Our 14-pound bowling ball sank substantially farther on the soft side than on the firm side, making the firmness difference easy to see rather than relying on labels alone.
Inside the mattress
Yawnder unzipped the cover and photographed the foam stack. The soft side used more cushioning above the support core, while the reverse side kept the sleeper much closer to the firmer base.
Cooling and motion
Motion transfer was low because of the all-foam construction. In our heat-dissipation test, the mattress performed reasonably well for an all-foam bed of its era.
Current-shopping note
The Silk Symphony may no longer be sold in the same configuration. The restored review documents the actual two-sided model Yawnder tested.
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Compare this mattress against 142 tested mattresses
Sort all 142 mattresses we have tested by pressure relief, support, cooling, motion isolation, edge support, price, trial and warranty, then filter by how you actually sleep. Of those, 86 hold a complete standardized record and 41 a partial standardized record.