Sleep Number 360 c2 Smart Bed vs Stearns & Foster Estate Firm Tight Top
Detailed side-by-side comparison — pricing, specs, performance ratings, and our pick.
Last verified 50 days ago — check current pricing at Sleep Number
Check current price at Sleep Number →Last verified 23 days ago — check current pricing at Stearns & Foster
Check current price at Stearns & Foster →| Feature | Sleep Number 360 c2 Smart Bed | Stearns & Foster Estate Firm Tight Top |
|---|---|---|
| Overview | ||
Type | Smart Bed | Hybrid |
Firmness 1 = softest, 10 = firmest | 5 / 10 | 7 / 10 |
Queen Price Current / sale price | Check retailer | Check retailer |
Trial Period Return window | 100 nights | 90 nights |
Warranty | 15 years | 10 years |
| Performance Ratings | ||
Cooling Hot sleepers | Low | Moderate |
Motion Isolation Partners, light sleepers | Fair | Good |
Pressure Relief Hip/shoulder pain | Fair | Good |
Edge Support Sit/sleep near edge | Fair | Excellent |
Durability Long-term performance | Good | Excellent |
| Compatibility & Features | ||
Adjustable Base Head/foot elevation | ✗ No | ✓ Yes |
Split King Support Two Twin XL per couple | — | — |
Dual Comfort Zones Different firmness per side | ✓ Yes | — |
Smart Features App, sensors, auto-adjust | SleepIQ biometric tracking (heart rate, breathing, movement), adjustable firmness 0-100 scale per side, Responsive Air auto-adjustment, Sleep Number app (iOS/Android) | — |
Financing | Affirm | Synchrony |
| Materials & Safety | ||
Certifications Organic / non-toxic | None listed | CertiPUR-US |
Off-Gassing New-foam smell concern | — | CertiPUR-US certified foam |
| Best For | ||
Ideal sleeper profiles |
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| Actions | ||
Need Help Deciding?
For most sleepers, we recommend the Stearns & Foster Estate Firm Tight Top over the Sleep Number 360 c2 Smart Bed. It scores higher in cooling, motion isolation, pressure relief and delivers stronger overall value. The Sleep Number 360 c2 Smart Bed is the better choice only if budget is paramount — it saves roughly $1190.
Sleep Number 360 c2 Smart Bed vs Stearns & Foster Estate Firm Tight Top: What Actually Differs
The Sleep Number 360 c2 Smart Bed is a smart bed build, while the Stearns & Foster Estate Firm Tight Top is a hybrid — that single difference drives most of the cooling, motion, and feel decisions below. The Stearns & Foster Estate Firm Tight Top stands 14.5" tall versus 8" for the Sleep Number 360 c2 Smart Bed — a 6.5" gap that matters if you need deep-pocket sheets or are pairing with an adjustable base. The Stearns & Foster Estate Firm Tight Top is the firmer of the two at 7/10 (medium-firm), and the Sleep Number 360 c2 Smart Bed sits at 5/10 (medium) — a meaningful enough gap that sleeper position and weight should drive the choice. The single largest performance gap is in edge support: the Stearns & Foster Estate Firm Tight Top rates noticeably higher than the Sleep Number 360 c2 Smart Bed, which is the deciding factor if that dimension is high on your list. On a Queen, the Sleep Number 360 c2 Smart Bed runs $909 versus $2,099 for the Stearns & Foster Estate Firm Tight Top — roughly $1,190 (57%) less, which is enough to factor into the decision unless the pricier model wins clearly on the specs you care about.
Which Is Better For Your Sleep Style?
Higher pressure-relief rating, which is what protects hip and shoulder contact points in the side position.
Both fall in the medium-firm zone back sleepers prefer (5/10 vs 7/10) — either works.
Firmer at 7/10 vs 5/10 — stomach sleepers need the extra support to keep the pelvis from sinking and arching the lower back.
Cooling rating not available for one or both mattresses — spec not available.
better long-term durability and stronger perimeter / edge support — the two specs heavier sleepers should weight most.
Softer at 5/10 vs 7/10 — lighter sleepers compress less, so they typically need the softer of two options to get proper contouring.
Higher motion-isolation rating, which means less disturbance when a partner moves or gets out of bed.
Price Comparison (Queen)
| Mattress | MSRP | Current | Sale? |
|---|---|---|---|
| Sleep Number 360 c2 Smart Bed | $1,299 | $909 | Save $390 |
| Stearns & Foster Estate Firm Tight Top | $2,399 | $2,099 | Save $300 |
The Sleep Number 360 c2 Smart Bed is the budget choice at $909 — $1,190 less than the Stearns & Foster Estate Firm Tight Top ($2,099). That's a 57% gap, which is worth weighing against the spec differences before deciding which delivers better value for your situation. Both are currently below MSRP.
Sleep Number 360 c2 Smart Bed
Strengths
- ✓Adjustable firmness 0-100 (per side)
- ✓SleepIQ sleep tracking included
- ✓Dual-zone customization for couples
- ✓15-year warranty
Considerations
- —No active cooling
- —Thinnest at 8-inch (limited comfort layers)
- —Requires ongoing app usage for full benefit
Stearns & Foster Estate Firm Tight Top
Strengths
- ✓IntelliCoil® innerspring system (ventilated)
- ✓PrecisionEdge™ support system (excellent edge support)
- ✓90-night trial
- ✓Tempur Sealy quality manufacturing
Considerations
- —$175 return/exchange fee on S&F website
- —Firm only (7/10) — not for plush seekers
- —No active cooling tech
Who Should Buy Which?
Choose the Sleep Number 360 c2 Smart Bed if you…
- →Budget-conscious shoppers
- →Trial-period sensitive buyers
- →Couples with different firmness preferences
- →Softer feel seekers
Choose the Stearns & Foster Estate Firm Tight Top if you…
- →Hot sleepers
- →Couples / light sleepers
- →Side sleepers / pressure relief
- →Sitting near the edge