Amerisleep AS2 vs Yaasa

The AS2 is our medium-firm mattress, and it's our most popular with back and stomach sleepers. It's thicker than the AS1 and contains a transition foam layer, giving it slightly more cushion.

If you already know that you love a soft or firm mattress then follow your heart. However, if you are unsure you can follow this quick guide to make a selection:
1. Back Sleepers and Stomach Sleepers should choose the Firm Mattress
2. Side Sleepers and 'Free Style' Sleepers should choose the Soft Mattress
3. If either you or your partner is heavier than 220 lbs, the Firm Mattress may be the option for you.
4. If you are lighter than 130 lbs, the Soft Mattress may be the option for you.

Medium-firm mattress is engineered to facilitate healthy spinal alignment. Verywell Health even calls it the best mattress for back pain. If you're a back or stomach sleeper, the AS2 is perfect for you. Three layer construction:

• Bio-Pur foam
• HIVE transition layer
• Bio-Core foam support layer
• Refresh Cooling Cover.

Whether you prefer a firm or a softer experience, our hybrid mattresses play with varying layers of foam, natural latex and our pocket coil system.
Firm:

• 1" Cooling Infinity Foam
• 2" Responsive Natural Latex
• 8" Edge-to-Edge Coil System
• 1" High Density Support Foam

Soft:

• 2" Cooling Infinity Foam
• 1" Hybrid Transition Foam
• 8" Edge-to-Edge Coil System
• 1" High Density Support Foam.

Traditional memory foam is made from dense material, so it traps your body heat and can make you sweaty and uncomfortable while you're in bed - and who can sleep like that?
We developed our foam with an enhanced "open cell structure", which means there is more air space between the foam particles. That space wicks away heat while you sleep, and can keep you cooler and more comfortable.

With reduced motion transfer, you and your partner can experience an uninterrupted night's sleep for your perfect sleepy sanctuary.

Our Bio-Core® foam support layer won't sag even after decades of use. And, like our Bio-Pur® foam, it's partially made from plants instead of petroleum so it's eco-friendly.
The HIVE® layer features hundreds of foam hexagons grouped into five comfort zones. Each zone is designed to provide extra cushion where you want it and support where you need it. That way your body gets the support it needs to stay properly aligned, so you can sleep your best.

The various blend of ingredients deliver the perfect amount of body contouring and pressure relief with extra soothing support. The Infinity Foam top layer is our unique material that prevents heat retention for a cooler night's sleep, and gives the perfect balance of support, contouring, and pressure relief in all the right places. This is our finishing touch to give you an unparalleled indulgent experience.

The HIVE® transition layer has precision-cut channels that carry away even more heat and moisture. It's enough to make you feel like you're weightlessly resting on a cloud.
Amerisleep's Bio-Pur® material features an advanced-open cell design. This makes Bio-Pur® more breathable and responsive than memory foam, which will keep you cool and comfortable all night. Plus we make Bio-Pur® from partially plant-based sources using a zero-emission process. That means it's the most eco-friendly material of its kind.

Our unique foam construction provides contoured support & breathability for the coolest night's sleep.

Bio-Pur® contours to your body to relieve pressure points and bounces back fast, so you won't feel "stuck" during the night.
Our HIVE® transition layer provides targeted support and pressure relief so you can sleep in perfect alignment. It gives your head, back, and legs more support, and your shoulders and hips more cushion.

Our edge-to-edge pocket coil system was created to provide superior edge support. Each coil is individually wrapped so it can compress and expand independently, providing you with pressure relief where you need it most. The coils are positioned between layers of foam to allow you to feel like you're floating on air.

Refresh Cooling Cover
The Refresh Cover draws heat from your skin for a delightfully cool-to-the-touch feel. On average, your sleeping surface will stay 7 degrees cooler over an eight-hour night of rest compared to a traditional 100% polyester cover. This scientifically engineered fabric uses minerals to help convert your natural body heat into far infrared energy. This type of energy increases blood circulation to help speed up muscle recovery and improve quality of sleep.

We provide standard free curbside shipping to anywhere in the contiguous USA. Mattresses ship as quickly as 3-5 working days (excluding major holidays) via FedEx, once shipped, delivery takes approximately 1-5 business days.

Mattresses are made to order and ship from Los Angeles California using FedEX ground.