12 Inch Memory Foam Mattress
See options ›Lease-to-own termsi
*Lease-to-own is not a loan. Not all applicants are approved. Leasing costs more than the cash price. Koalafi: For qualifying customers only. Koalafi’s lease-to-own option is not a loan or line of credit. See agreements for details.$52/mo · 6 months no interestFinance with Synchrony · apply in minutes
Lease-to-own from $10 down — pay over 3, 6 or 12 months
Details
See options ›i
*Lease-to-own is not a loan. Not all applicants are approved. Leasing costs more than the cash price. Koalafi: For qualifying customers only. Koalafi’s lease-to-own option is not a loan or line of credit. See agreements for details.Price Match
- Seen the same item for less at a local store? Show us the price and we'll do our best to beat it.
- Same new item — exact brand, model, size and color — published online by an authorized store.
- Must be claimed at the time of sale; can't be applied to previous orders.
- Call 516-280-9565, email us, or chat with our team.
Financing options
- Synchrony HOME
- Affirm monthly payments at checkout · 0–36% APR, subject to eligibility
- Lease-to-own Acima $10 down or Snap $39 down · no credit needed · 100-day early purchase option
Apply in minutes — get a decision in about 5 minutes.
6 months no interest on $299–$1,998.99 · 1 year no interest on $1,999+
Requires: credit approval (Synchrony HOME credit card).
ApplyMonthly payments · 0–36% APR
Requires: eligibility; choose Affirm at checkout.
ApplyAcima $10 down · Snap $39 down · 100-day early purchase option
Requires: no credit needed; subject to approval.
Leasing costs more than the cash price if you go past the 100-day option.
Synchrony: subject to credit approval; minimum monthly payments required; if not paid in full by the end of the promo, interest may be charged from the purchase date. Affirm: subject to eligibility. Lease-to-own is not a loan. Payments shown are price ÷ months, before tax and delivery.
30-Day Returns
- Within 30 days of delivery. No returns after 30 days.
- Returns aren’t free: 15% return fee + $2 per pound of the item’s weight.
- Brand-new condition only. Special-order and final-sale items aren’t returnable.
Free Delivery & Assembly
- Free delivery & assembly on orders $499+ within 10 miles of our Hempstead hub.
- White Glove delivery with assembly included.
- We call ahead to set your delivery appointment.
Warranty
- Ashley products: 1-year limited manufacturer warranty.
- Questions? Call 516-280-9565.
Low stock
Estimated delivery: Nov 19 - Nov 23
Estimated delivery: Nov 19 - Nov 23
30-day returns · See return policy
Delivery options
Out of stock — available on backorder
- White Glove Delivery – delivery to the room of your choice, unpacking, assembly and packaging removal.
- Delivery hours – 9am–8pm, Mon–Sat. We call ahead to set your appointment.
- Returns – 30 days; 15% return fee + $2/lb; brand-new condition only; excludes special orders & final sale.
Only a few left — let's confirm it for you
We have very limited stock of this item, so please call us or text us on live chat before ordering. We'll confirm it's available and give you an exact delivery date.
Closed right now? Leave us a message in the live chat and we'll get back to you.
Mention the SKU so we can find it fast.
Will it fit?
Details & Overview
When it comes to your comfort, discover this ultra-plush 12-inch mattress. Its thick layer of memory foam conforms to your body, delivering amazing support, pressure relief and comfort. The memory foam layer is paired with a super-thick layer of firm support foam, which helps reduce motion transfer so you and your partner can enjoy an undisturbed sleep. This mattress arrives in a box for easy setup. Foundation/box spring available, sold separately.
Product Specifications
| Brand | Ashley |
|---|---|
| Product Type | Mattresses by Size |
| SKU | ASH-M59311 |
| Color | White |
| Size | Twin, California King |
| Dimensions | |
| Weight | |
| Mattress Type | Memory Foam |
| Mattress Thickness | 12" |
| Comfort Level | Medium |
Features
- Comfort level: medium
- 12" profile height
- 2" memory foam
- 10" firm support foam
- Stretch knit cover
- Adjustable base compatible
- 10-year non-prorated warranty
- Note: Purchasing mattress and foundation from two different brands may void warranty
- see warranty for details
- Foundation/box spring sold separately
- State recycling fee may apply
- Mattress ships in a box
- please allow 48 hours for your mattress to fully expand after opening
Dimensions
- Twin – Overall: 75''W x 38''D x 12''H
- Twin – Weight: 36.73 lbs
- California King – Overall: 84''W x 72''D x 12''H
- California King – Weight: 75.34 lbs
Materials & Details
- Material: Fabric
- Body fabric: 11% Barrier Coating, 11% Fillament Poly, 5% Para Aramid Fiber, 20% Polyester, 53% Viscose
- Body fabric: 99% Polyester, 1% Spandex
- Body fabric: 74% Polyester, 26% Rayon
- Color: White
- Assembly: No Assembly Required
Brand: Sierra Sleep by Ashley
Shipping & Returns
White glove delivery
We deliver to your room, assemble, inspect and take the packaging away.
We call ahead · 9am–8pm, Mon–Sat · adult must sign
| Within 10 miles of our Hempstead hub or Valley Stream showroom, orders $499+ | FREE |
| 10–30 miles | $70.00 |
| 30–40 miles | $99.99 |
| Over 40 miles (East End) | $129.99 |
| The Bronx, Manhattan & Staten Island (min. order $499.99) | $99.99 |
Returns & exchanges
- 30-day returns. 15% return fee plus $2 per pound.
- Items must be in brand-new condition.
- Special-order and final-sale items can’t be returned.
- See full return policy
Damaged or missing items
Note damage on the delivery receipt with photos and tell us within 24 hours. Missing a part? Contact us and we’ll send it.
Warranty
This item is covered by a 1-Year Limited Manufacturer Warranty from Ashley against manufacturing defects. Contact us at 516-280-9565 for warranty service.
Questions? Call Hempstead 516-280-9565 · Valley Stream 516-285-2115 or Chat with us
Calling about this item?
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What to say
“Hi, I'm calling about SKU ASH-M59311. Is it in stock, and when can it be delivered?”
Chat with us instead ›Why shop with A&M
- 30 yearsin business
- 80,000+customers
- Price matchShow us a lower price
- Up to 50% offon select items
- Free delivery & assemblyOn orders $499+ within 10 miles of our Hempstead hub or Valley Stream showroom
