Feel reviewed on this page
AS6 Firm
Amerisleep rating: 8/10
Back and stomach sleepers who want the least sink and the quickest transition to the coil support beneath them.
$2,649 Queen
Shop AS6 Firm →AmerisleepSee all Amerisleep mattresses →
100 nights at Amerisleep; 30-night minimum; free pickup20 years warrantyOEKO-TEX · GREENGUARD Gold · CertiPUR-US
Why we recommend it
- +Three inches of Bio-Pur Memory Foam sit above Affinity transition foam and a 6-inch pocketed PrecisionCoil core, giving the firm surface contour and spring response rather than a flat all-foam base
- +The CryoCool cover, TitanAir foam, and ArcticWave bands address heat at three parts of the comfort stack; these are manufacturer claims rather than SleepRanked lab results
Hybrid
Amerisleep AS6 Black Series Firm
By Amerisleep
The 14-inch Amerisleep AS6 Black Series Firm pairs a CryoCool cover, TitanAir foam, ArcticWave cooling bands, 3 inches of Bio-Pur Memory Foam, Affinity transition foam, a 6-inch PrecisionCoil core, and a 1-inch BaseGuard layer in Amerisleep's firmest 8/10 feel.
$2,649Save $1,000$3,649Queen
Trial: 100 nights at Amerisleep; 30-night minimum; free pickup
20 years warranty
Height: 14"
Firmness: Firm · 8/10 feel reference
On the feel scale, 1 is softest and 10 is firmest; feel can vary by body type and sleep position.
Construction: Memory Foam hybrid
OEKO-TEXGREENGUARD GoldCertiPUR-US
View offer at Amerisleep Affiliate link — we may earn a commission at no extra cost to you.
Buy with confidence
How the construction changes the sleep experience
The useful question is what the materials and feel change for the sleeper. Here is the practical case for this exact model, along with the trade-offs to weigh.
What it is built to do
The 14-inch Amerisleep AS6 Black Series Firm pairs a CryoCool cover, TitanAir foam, ArcticWave cooling bands, 3 inches of Bio-Pur Memory Foam, Affinity transition foam, a 6-inch PrecisionCoil core, and a 1-inch BaseGuard layer in Amerisleep's firmest 8/10 feel.
- ✓Three inches of Bio-Pur Memory Foam sit above Affinity transition foam and a 6-inch pocketed PrecisionCoil core, giving the firm surface contour and spring response rather than a flat all-foam base
- ✓The CryoCool cover, TitanAir foam, and ArcticWave bands address heat at three parts of the comfort stack; these are manufacturer claims rather than SleepRanked lab results
- ✓The coil core and 1-inch BaseGuard are the strongest AS6 direction for shoppers who prioritize easier repositioning and a more usable perimeter
Who benefits most
Back sleepers who want the firmest AS6 surface and limited sink
Balanced contouring and surface support matter more than an especially deep or plush sink.
Stomach sleepers who generally prefer a flatter comfort response
Pricing by Size
8.5/10
SleepRankedScore
SleepRanked Score
The Amerisleep AS6 Black Series Firm score brings together cooling, motion isolation, pressure relief, edge support, durability, price and purchase terms for an at-a-glance comparison. Softer or firmer feel does not raise or lower this general score.
CoolingExcellent
Motion IsolationVery good
Pressure ReliefExcellent
Edge SupportExcellent
DurabilityGood
Price & PoliciesAverage
This score weighs performance, price and purchase terms. Softer or firmer feel does not raise or lower it; the uses your sleep position and feel preferences to help find a suitable match. .
Popular With
Back sleepers who want the firmest AS6 surface and limited sinkStomach sleepers who generally prefer a flatter comfort responseHot sleepers who specifically value Amerisleep's three part cooling designShoppers choosing the AS6 feel by firmness because construction and current price are shared
Firm Mattress Choices: Good / Better / Best
Start with a similar comfort, then compare what each price tier adds in materials, cooling, pressure relief, responsiveness, and support.
Good
Amerisleep AS2
Medium-Firm feel · Memory Foam
Amerisleep AS2 is a 12-inch, medium-firm all-foam mattress with two inches of 4.0-pound Bio-Pur Memory Foam, three inches of 1.65-pound Affinity foam with five-zone HIVE cuts, and a seven-inch 1.8-pound Bio-Core base.
$949
View details →Better
Amerisleep AS6 Black Series Firm
Firm feel · Hybrid
The 14-inch Amerisleep AS6 Black Series Firm pairs a CryoCool cover, TitanAir foam, ArcticWave cooling bands, 3 inches of Bio-Pur Memory Foam, Affinity transition foam, a 6-inch PrecisionCoil core, and a 1-inch BaseGuard layer in Amerisleep's firmest 8/10 feel.
$2,649
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Financing Options
Available through: Affirm, Klarna
Learn more about mattress financing →Certifications
Where to Buy
View offer at AmerisleepAffiliate link — we may earn a commission at no extra cost to you. Confirm your size, final price, shipping, trial and return terms with the seller.
Pros & Cons
Pros
- + Firm keeps the same AS6 construction and current price as Luxury Firm and Plush Soft while providing the least sink and Amerisleep's firmest 8/10 surface
- + Three inches of Bio-Pur Memory Foam sit above Affinity transition foam and a 6-inch pocketed PrecisionCoil core, giving the firm surface contour and spring response rather than a flat all-foam base
- + The CryoCool cover, TitanAir foam, and ArcticWave bands address heat at three parts of the comfort stack; these are manufacturer claims rather than SleepRanked lab results
- + The coil core and 1-inch BaseGuard are the strongest AS6 direction for shoppers who prioritize easier repositioning and a more usable perimeter
Cons
- - The 8/10 surface is a poor starting point for strict side sleepers and anyone who needs deep shoulder and hip cushioning; Luxury Firm and Plush Soft keep the same construction and price with more give
- - Amerisleep publishes cooling, pressure, alignment, motion, edge, and durability claims, but SleepRanked has not independently measured those outcomes
- - Amerisleep does not publish separate thicknesses for the TitanAir, ArcticWave, or Affinity portions of the current stack
- - The 100-night trial asks for 30 nights and the warranty becomes prorated after year 10; Amerisleep's current AS6 page also conflicts about box-spring compatibility and allowed slat spacing, so confirm the written support requirement for the exact base
Related buying guide
Compare AS6 Firm vs Luxury Firm →Both use the same 14-inch cooling hybrid construction and current price; choose Firm's flatter 8/10 surface or Luxury Firm's more adaptable 7/10 response.
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Compare Amerisleep AS6 Black Series Firm with Similar Mattresses
Side-by-side comparisons against the closest matches on type, firmness, and price tier.
- Amerisleep AS6 Black Series Firm vs Amerisleep AS6 Black Series Luxury Firmsame hybrid build, similar firmness, similar price tier
- Amerisleep AS6 Black Series Firm vs Brooklyn Bedding Aurora Luxe Coolingsame hybrid build
- Amerisleep AS6 Black Series Firm vs Purple RestorePlus Hybrid Mattresssame hybrid build
