Sierra Sleep by Ashley
Sierra Sleep Peak 2.0 12 Hybrid Mattress
Couldn't load pickup availability
The verdict: the Peak 2.0 12 Hybrid is a straightforward, well built hybrid for sleepers who want real coil support under a comfortable, not overly soft top, without paying for extras they do not need. If you sleep hot, share a bed, or have been chasing a mattress that is not mushy and not a plank, this one is worth a look. If you want a deep, slow sinking memory foam hug, keep browsing the line.
How it is built
- Hyper Cool 4-way stretch knit cover designed to pull heat off the sleeping surface through the night
- Quilted comfort layer of plush foam and luxury loft fiber for an immediately soft top hand
- High-density gel memory foam layer underneath, for pressure relief through the shoulders and hips
- Individually wrapped coil support core, the part doing the real work of keeping your spine level
- Ashley Edge reinforced coil perimeter, so the edge of the bed holds up under weight instead of collapsing
Ashley lists the feel as medium firm, and that tracks in practice. There is enough give at the top to soften pressure points at the shoulder and hip, but the wrapped coils underneath do not let you sink far before they push back. Back sleepers get support without feeling boxed in, and side sleepers get enough cushion up top that this does not feel punishing. Stomach sleepers should find the support reassuring as well, since the coils resist the hip drop that softer beds allow. Combination sleepers who move through the night tend to do fine here too, since a coil system responds faster underneath a rolling body than an all-foam build does.
The reinforced coil edge matters more than it sounds like it should. On a lot of budget hybrids the edge is the first thing to give out, so you end up sleeping in the middle third of the mattress out of habit. Here the coil edge holds its shape, which means more usable sleeping surface and an easier time sitting on the side of the bed to tie your shoes or reach for a nightstand.
Couples should notice the coil system handling motion reasonably well for a hybrid. Individually wrapped coils flex on their own instead of moving as one connected unit, so a partner getting up early is less likely to wake the other side of the bed. It will never be as quiet as an all-foam mattress, but it is a real step up from an old innerspring.
Who should skip it
If you run cold at night and want a mattress that traps warmth, the cooling cover works against you here. And if your idea of comfortable is slow recovery memory foam that holds the shape of your body for a few seconds after you move, the Peak 2.0's quicker coil response will feel noticeably different, in a way some sleepers do not love.
The Peak 2.0 12 Hybrid is part of Ashley's Sierra Sleep line, model M203, backed by a 10-year non-prorated manufacturer's warranty, and available in Twin, Full, Queen, King, and California King. The honest way to know if the feel is right for you is to lie on it. Come try the Peak 2.0 at any of our Kentucky showrooms and feel the coil support for yourself before you decide.
What makes this mattress different
Wrapped coils do the real support work
An individually wrapped coil core sits under the comfort layers, giving the kind of point support memory foam alone cannot match, especially for combination sleepers who change position through the night.
Ashley Edge reinforced perimeter
A reinforced coil edge keeps the perimeter of the mattress from collapsing under weight, so you get more usable sleeping surface and an easier seat on the edge of the bed.
Hyper Cool stretch knit cover
A 4-way stretch knit cover is built to help pull heat away from the sleeping surface, so the quilted top does not trap warmth the way older cover fabrics do.
High-density gel memory foam
A gel memory foam layer sits just under the quilted top for pressure relief at the shoulders and hips, without the slow, deep sink of a full memory foam bed.
Quilted comfort layer up top
Plush foam and luxury loft fiber give the surface an immediately soft hand, so the first touch is comfortable even though the bed firms up as you settle in.
Coils cut down on motion transfer
Individually wrapped coils flex on their own instead of moving as a connected unit, so a partner shifting or getting up early is less likely to wake the other side of the bed.
10-year non-prorated warranty
Ashley backs the Peak 2.0 12 Hybrid with a 10-year non-prorated manufacturer's warranty.
Five sizes, one feel
Available in Twin, Full, Queen, King, and California King, all built to the same medium firm hybrid feel.
A coil-supported hybrid without layers you don't need
The Peak 2.0 12 Hybrid runs a lean, four-layer build: a Hyper Cool 4-way stretch knit cover on top, then a quilted comfort layer of plush foam and luxury loft fiber, then a high-density gel memory foam layer for pressure relief, all sitting over an individually wrapped coil support core reinforced at the edge with Ashley Edge.
The coils are doing most of the structural work here. Instead of a deep stack of foam trying to both cushion and support you, the Peak 2.0 keeps the comfort layers shallow and lets the wrapped coil unit handle alignment and airflow. That is also why the edge holds up: Ashley Edge reinforces the coil perimeter specifically so it does not go soft the way an unreinforced edge does after a year or two of sitting down to put your shoes on.
At 12 inches total, it is a lean profile that fits standard sheets and sits well on a platform bed, foundation, or adjustable base.
See the full Sierra Sleep lineup →Coil support that works for most sleep positions
Back sleepers: the wrapped coils keep the hips from sinking, so your spine stays level without the bed feeling like a plank.
Side sleepers: the quilted top and gel memory foam layer give the shoulder and hip enough give to relieve pressure before the coils take over.
Stomach sleepers: coil support resists the hip drop that softer all-foam beds allow, which keeps the lower back from arching.
Combination sleepers: coils respond faster than foam when you roll over, so switching positions through the night feels less like fighting the mattress.
Couples and shared beds: individually wrapped coils flex on their own, so motion from one side of the bed is less likely to carry across to the other.
Hot sleepers: the Hyper Cool cover is built to move heat away from the surface, which helps on a bed that already runs cooler than an all-foam mattress.
Probably not for you if: you specifically want a deep memory-foam hug that slowly contours and holds the shape of your body, since the coil core here responds and releases much faster than that.
Specifications
| Height | 12 in |
|---|---|
| Feel | Medium Firm |
| Firmness | Medium firm, a supportive middle-of-the-road feel |
| Construction | Hyper Cool stretch knit cover over a quilted plush foam and luxury loft fiber comfort layer, a high-density gel memory foam layer, and an individually wrapped coil support core with Ashley Edge reinforcement: 12 inches total. |
| Cooling | A Hyper Cool 4-way stretch knit cover is built to pull heat away from the sleeping surface, and the wrapped coil core underneath allows more airflow than a solid foam build. |
| Motion isolation | Good for a hybrid: individually wrapped coils flex on their own instead of moving as a connected unit, cutting down on motion transfer across the bed. |
| Warranty | 10-year non-prorated manufacturer's warranty |
Frequently asked questions
How firm is the Sierra Sleep Peak 2.0 12 Hybrid?
Ashley lists it as medium firm. There is enough give at the top from the quilted foam and gel memory foam layer to soften pressure points, but the wrapped coil core underneath keeps you from sinking in far. It reads as supportive rather than soft, and it is not a deep memory foam hug.
Is this a hybrid or an all-foam mattress?
It is a hybrid. An individually wrapped coil support core sits underneath a shorter stack of comfort foam, quilted fiber, and a gel memory foam layer, so you get the responsiveness and airflow of coils along with a foam-topped feel.
What is Ashley Edge and why does it matter?
Ashley Edge is the reinforced coil perimeter around the outside of the mattress. It keeps the edge of the bed from collapsing under weight, so you get more usable sleeping surface and a sturdier seat when you sit on the side of the bed.
Does this mattress sleep hot?
It should not. The Hyper Cool 4-way stretch knit cover is built to help pull heat away from the sleeping surface, and the wrapped coil core underneath allows more airflow through the mattress than a solid foam build does.
Will I feel my partner move during the night?
Less than you would on an old innerspring. The coils are individually wrapped, so each one flexes on its own instead of moving as a connected unit, which cuts down on motion carrying across the bed. It will not be as quiet as an all-foam mattress, but it is a real improvement over traditional coil systems.
What sizes does the Peak 2.0 12 Hybrid come in?
Twin, Full, Queen, King, and California King, all built to the same construction and medium firm feel.
Does Sierra Sleep offer an at-home trial on this mattress?
No. Sierra Sleep mattresses, including the Peak 2.0 12 Hybrid, do not come with an at-home trial period. The straightforward way to know if the feel is right for you is to lie down on it at one of our Kentucky showrooms before you buy, right next to other Sierra Sleep models so you can compare the feel directly.
Can I use this mattress with an adjustable base?
Yes. The hybrid construction works with platform beds, standard foundations, and adjustable bases.
Can I see this mattress in person near me?
Yes, and with a mattress that is always the better way to decide. Mattress Overstock is a Kentucky-owned company with showrooms across the state where you can lie on this exact mattress in your own sleeping position before you commit. Everyone on the floor is paid the same no matter which brand you choose, so the guidance you get is honest.
Buy it from people you can actually visit
- Free local delivery To your home across Central & Eastern Kentucky.
- Free setup We place and set up your new bed in the room.
- Free old-mattress haul-away The old one goes out the same day the new one comes in.
Independently owned in Kentucky since 2012. Walk in any day (no appointment) and someone who actually knows the floor will help you find the right fit.
Still deciding?
Try it in person at any Kentucky showroom
Walk into any Mattress Overstock location, lie down, and feel the difference yourself. No appointment, no pressure. Our team has over 100 years of combined mattress experience and we're here to help you find the right fit.
