Glacier Summit vs Sealy Icon
These two are close substitutes on paper — the spec table below shows where they differ. Every number below comes from published teardowns and spec sheets (see our methodology); prices are queen-size, refreshed 2026-10-06.
Glacier Summit vs Sealy Icon: full spec table
| Spec | Glacier Summit | Sealy Icon |
|---|---|---|
| Type | Hybrid | Hybrid |
| Firmness | 6/10 | 6/10 |
| Height | 13" | 12.5" |
| Queen price | $959 | $960 |
| Price range (all sizes) | $639–$1,199 | $900–$1,360 |
| Foam densities (lb/ft³, top → bottom) | 1.8 / 2.5 / 1.8 | 2.2 / 2.2 / 1.9 |
| Coil gauge | 15 | 14.5 |
| Coil count (queen) | — | — |
| Cooling | 6/10 | 7/10 |
| Motion isolation | 6/10 | 6/10 |
| Edge support | 7/10 | 7/10 |
| Pressure relief | 9/10 | 7/10 |
| Support | 8/10 | 8/10 |
| Natural materials | 3/10 | 3/10 |
| Notable features | Mid-tier cooling hybrid, 2" memory foam comfort layer, glacierTech Elite cover, Six-layer cooling design | Costco-exclusive value hybrid, Gel memory foam comfort layer, Pocketed coil support core, Strong price-to-build ratio |
| Spec source | NapLab | NapLab |
Key differences
- The Sealy Icon runs thicker support coils (14.5-gauge vs 15-gauge — lower gauge means thicker, firmer wire).
Who the Glacier Summit is for
The Glacier Summit has a medium feel that works for many side and back sleepers, and for combination sleepers who switch positions.
- Excellent pressure relief at the shoulders and hips
- Strong, even support that keeps the spine aligned
Who the Sealy Icon is for
The Sealy Icon has a medium feel that works for many side and back sleepers, and for combination sleepers who switch positions.
- Strong, even support that keeps the spine aligned
SquishMat may earn a commission if you buy through links on this page, at no extra cost to you. Commissions never influence which mattresses we recommend. How we make money
Frequently asked questions
Which is firmer, the Glacier Summit or the Sealy Icon?
They rate the same: both are a 6/10 on the firmness scale, a medium feel that works for many side and back sleepers, and for combination sleepers who switch positions.
Which is cheaper, the Glacier Summit or the Sealy Icon?
The Glacier Summit is cheaper in a queen: $959 versus $960, as of 2026-10-06.
What is the main construction difference between the Glacier Summit and the Sealy Icon?
Both are hybrid builds; the biggest spec difference is the support core — the Sealy Icon uses thicker coils. Full specs are in the table above.
See how both stack up against every bed we track in the full comparison matrix, or dig into the complete specs for the Glacier Summit and the Sealy Icon.