Serta Perfect Sleeper Cobalt Calm Plush Mattress vs Sealy Posturepedic Plus Glenshaw 14" Soft Tight Top Innerspring Mattress, Queen
Both are soft innerspring queens, so the real split is feel and price. The Serta Perfect Sleeper Cobalt Calm Plush uses a three-zone coil system with gel memory foam and comes in six sizes, including Twin XL and California King. The Sealy Posturepedic Plus Glenshaw is a 14-inch soft tight top with a 10-year warranty. Check the current price at each store before deciding, since neither listing gives a firm figure here.
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Serta Perfect Sleeper Cobalt Calm Plush Mattress
Choose the Serta Perfect Sleeper Cobalt Calm Plush if you want a pillowtop with zoned coils, gel memory foam, and a size beyond standard Queen.
- Zoned coils add support under the middle and pressure relief at the shoulders and hips
- Gel memory foam contours and is designed to sleep cooler
- Six sizes, including Twin XL and California King
- Works on an adjustable base
- No warranty length given in the listing
- Pillowtop soft feel may be too plush for back or stomach sleepers
- Lower profile than the Sealy at 12 to 13.2 inches
What separates them
| Serta Perfect Sleeper Cobalt Calm Plush Mattress | Sealy Posturepedic Plus Glenshaw 14" Soft Tight Top Innerspring Mattress, Queen | |
|---|---|---|
| Construction | Pillowtop over three-zoned coils with Cool Twist gel memory foam | Soft tight top over an innerspring core |
| Height | 12 in or 13.2 in depending on model | 14 in |
| Sizes offered | Twin, Twin XL, Full, Queen, King, California King | Queen (as listed) |
| Warranty | Not stated in the listing | 10-year warranty |
| Cooling | Gel swirled into breathable foam for airflow and heat dissipation | Not specified |
| Adjustable base use | Marked as adjustable-bed compatible | Not stated |
| Weight | Not stated | 89 lb assembled, 119 lb listed |
Price history
- Serta Perfect Sleeper Cobalt Calm Plush Mattress: lowest $1,099.00 on Nov 2 at Ashley.
- Sealy Posturepedic Plus Glenshaw 14" Soft Tight Top Innerspring Mattress, Queen: lowest $999.00 on Nov 2 at Amazon.
Prices at every store
Sealy Posturepedic Plus Glenshaw 14" Soft Tight Top Innerspring Mattress, Queen
- AmazonCheck price at Amazon
Specs compared
| Spec | Serta Perfect Sleeper Cobalt Calm Plush Mattress | Sealy Posturepedic Plus Glenshaw 14" Soft Tight Top Innerspring Mattress, Queen |
|---|---|---|
| Size | Queen, Twin, King, Full, California King, Twin … | — |
| Type | Innerspring | — |
| Topper Type | Pillowtop | — |
| Specialty Style | Adjustable Bed | — |
| Thickness | 12 in, 13.2 in | — |
| Length | 38 in long | — |
| Width | 79.5 in wide | — |
| Assembled Length | — | 79.0 |
| Assembled Width | — | 60.0 |
| Assembled Height | — | 13.0 |
What reviewers say
Serta Perfect Sleeper Cobalt Calm Plush Mattress
Owner feedback on the Perfect Sleeper line is mixed to positive. People like the soft, supportive feel and the price, but some report sagging and shorter-than-expected life.
- Comfortable plush feel for side sleepers
- Good support for the money
- Cooler than expected for a foam-topped mattress
- Body impressions and sagging over time
- Motion transfer between partners
- Edge support is weaker than premium mattresses
Sealy Posturepedic Plus Glenshaw 14" Soft Tight Top Innerspring Mattress, Queen
Owners often describe the Glenshaw as plush and supportive, with many saying it helped reduce back pain. Some note it softens over time and may not suit those who prefer a firm bed.
Questions and answers
- Which is better for side sleepers?
- Both are soft, so both cushion the shoulders and hips. The Serta adds zoned coils and gel foam, which may relieve pressure more in the middle. Try both if you can.
- Which lasts longer?
- The Sealy states a 10-year warranty; the Serta listing gives none. A tight top like the Glenshaw also tends to hold its shape longer than a pillowtop.
- Is the Sealy worth extra over the Serta?
- Only if the price gap is small. The Sealy adds height and a stated warranty; the Serta adds size options and cooling foam. Compare the live prices at each store before deciding.
- Can I use either on an adjustable base?
- The Serta is marked adjustable-bed compatible. The Sealy listing does not say, so confirm with the store before buying.
- Which sleeps cooler?
- The Serta names gel-infused foam and airflow design. The Sealy gives no cooling details, so the Serta is the safer pick for hot sleepers.
