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100 nights at Amerisleep; 30-night minimum; free pickup20 years warrantyOEKO-TEX · CertiPUR-US
Why we recommend it
- +Three inches of Bio-Pur and two inches of HIVE reverse AS2's 2/3-inch comfort-to-transition ratio, giving AS3 more surface contour while keeping the same 12-inch height and seven-inch Bio-Core base
- +The five-zone HIVE cuts provide firmer response beneath the head, back, and legs and more give beneath the shoulders and hips according to Amerisleep's current construction description
Memory Foam
Amerisleep AS3
By Amerisleep
Amerisleep AS3 is a 12-inch medium 5/10 all-foam mattress with 3 inches of Bio-Pur Memory Foam, 2 inches of five-zone HIVE transition foam, and a 7-inch Bio-Core support base.
$1,149Save $600$1,749Queen
Trial: 100 nights at Amerisleep; 30-night minimum; free pickup
20 years warranty
Height: 12"
Firmness: Medium · 5/10 feel reference
On the feel scale, 1 is softest and 10 is firmest; feel can vary by body type and sleep position.
Construction: plant-based Memory Foam
OEKO-TEXCertiPUR-US
View offer at Amerisleep Affiliate link — we may earn a commission at no extra cost to you.
Buy with confidence
100-night risk-free sleep trial at Amerisleep
After the 30-night adjustment period, Amerisleep coordinates free professional pickup and provides a full refund for an eligible mattress return.
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
Amerisleep AS3 is a 12-inch medium 5/10 all-foam mattress with 3 inches of Bio-Pur Memory Foam, 2 inches of five-zone HIVE transition foam, and a 7-inch Bio-Core support base.
- ✓Three inches of Bio-Pur and two inches of HIVE reverse AS2's 2/3-inch comfort-to-transition ratio, giving AS3 more surface contour while keeping the same 12-inch height and seven-inch Bio-Core base
- ✓The five-zone HIVE cuts provide firmer response beneath the head, back, and legs and more give beneath the shoulders and hips according to Amerisleep's current construction description
- ✓Choose AS3 Foam over AS3 Hybrid for quieter, steadier all-foam contour and the lower current catalog price; choose Hybrid for spring response, support-core airflow, and a stronger perimeter
Who benefits most
Side sleepers who want a medium foam contour
Cushioning at the shoulder and hip matters most; use the listed feel to judge how much give you want.
Back and combination sleepers who prefer a balanced medium feel
Pricing by Size
7.8/10
SleepRankedScore
SleepRanked Score
The Amerisleep AS3 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.
CoolingVery good
Motion IsolationExcellent
Pressure ReliefVery good
Edge SupportAverage
DurabilityAverage
Price & PoliciesGood
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
Side sleepers who want a medium foam contourBack and combination sleepers who prefer a balanced medium feelCouples prioritizing quieter all foam motion controlShoppers choosing lower cost foam support over AS3 Hybrid coils
Medium 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 AS3
Medium feel · Memory Foam
Amerisleep AS3 is a 12-inch medium 5/10 all-foam mattress with 3 inches of Bio-Pur Memory Foam, 2 inches of five-zone HIVE transition foam, and a 7-inch Bio-Core support base.
$1,149
Currently viewing
Better
Amerisleep AS3 Hybrid
Medium feel · Hybrid
Amerisleep AS3 Hybrid is a medium 5/10 mattress with 3 inches of Bio-Pur Memory Foam, 8 inches of zoned pocketed coils, and a 1-inch base; the product page and named layers support a 12-inch profile.
$1,349
View details →
Best
Amerisleep Organica
Medium feel · Hybrid
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
- + Three inches of Bio-Pur and two inches of HIVE reverse AS2's 2/3-inch comfort-to-transition ratio, giving AS3 more surface contour while keeping the same 12-inch height and seven-inch Bio-Core base
- + The five-zone HIVE cuts provide firmer response beneath the head, back, and legs and more give beneath the shoulders and hips according to Amerisleep's current construction description
- + Choose AS3 Foam over AS3 Hybrid for quieter, steadier all-foam contour and the lower current catalog price; choose Hybrid for spring response, support-core airflow, and a stronger perimeter
- + The solid-foam support core avoids connected coil movement, a practical construction advantage for couples who prioritize motion isolation over bounce
Cons
- - Strict stomach sleepers and many sleepers over 230 pounds should compare the medium-firm AS2 or coil-supported AS3 Hybrid before choosing this medium foam design
- - All-foam AS3 has less perimeter reinforcement and through-bed airflow than AS3 Hybrid's eight-inch zoned pocketed-coil core
- - Amerisleep's seven-degree Refresh comparison, cooling, recovery, circulation, alignment, pressure, pain, motion, edge, and durability statements are manufacturer or construction evidence rather than SleepRanked lab results
- - The 100-night trial asks for 30 nights, while the 20-year warranty becomes prorated after year 10, uses a greater-than-1.5-inch indentation threshold, and requires a solid base or slats no wider than 2.75 inches
Related buying guide
Compare AS3 Foam vs AS3 Hybrid →Compare the shared 3-inch Bio-Pur comfort layer, then choose AS3 Foam's 2-inch HIVE and 7-inch Bio-Core support or Hybrid's 8-inch zoned coils and 1-inch base.
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