We tested several Bob’s mattress models with one goal: find out how they hold up after real nights, not a quick showroom lie-down. Value beds can feel good for five minutes, so we kept our focus on alignment, pressure relief, and heat management over multi-week use.
Our core group for this round was me (Chris, about 185 lbs, combo sleeper with a sensitive lower back), Marcus (about 230 lbs and sleeps warm), Mia (about 125 lbs and a dedicated side sleeper), plus Jenna and Ethan for couple and motion testing.
We narrowed this Bob’s mattress review to four models shoppers can still find online and in stores: Treasure, Gem, Prize Gel, and Copper Sport Hybrid. Together they cover an 8-inch all-foam option, a sturdier Treasure line, a more contouring Prize model, and a cooling-leaning hybrid around 11.5 inches.
Table of Contents
Product Overview
| Mattress | Pros | Cons | Overall Score |
| Treasure | Strong support, sturdy edges, better finish than you expect at this price | Heavy to move; firmer versions can feel too firm for light side sleepers; cooling is mostly passive | 4.4 / 5 |
| Gem 8" | Very low price, simple boxed setup, quiet foam feel | Too thin for heavier sleepers; weak edge support; basic cooling | 3.8 / 5 |
| Prize Gel | Best contouring in this group, solid value, more pressure relief than Treasure | Warmer than Copper Sport; edges are only average; not the best match for heavier stomach sleepers | 4.2 / 5 |
| Copper Sport | Best cooling here, easy to move on, available in three feels | Heavier than Gem or Prize; firmer versions can feel upright for some side sleepers | 4.5 / 5 |
Testing Team Takeaways
Across these four Bob’s models, the biggest split was simple: thickness and support core. The thicker coil-based builds kept alignment steadier over full nights, while Gem worked better as a lighter-duty, budget-first foam option.
Marcus (230 lbs and sleeps warm) bottomed out Gem quickly but felt steady on Treasure and Copper Sport. On warm nights, Copper Sport stayed the least stuffy of the group.
Mia (125 lbs, side sleeper) got along best with Gem and Prize Gel for shoulder relief. Treasure gave her enough support, but the firmer versions pushed back more than she wanted at the shoulder.
Jenna and Ethan thought Gem was the quietest for motion but the weakest at the edges. Copper Sport was easiest to reposition on, while Treasure offered the strongest perimeter support.
Bob's Mattress Comparison Chart
| Mattress | Type | Height (approx.) | Firmness Options | Available Sizes | Core Materials | Cooling Approach | Support Feel | Pressure Relief | Responsiveness | Motion Isolation | Durability Outlook | Warranty* |
| Treasure | Hybrid | About 11.5" to 12.5", depending on version | Varies by version; current line includes firmer and plusher options | Usually Twin through King or California King, depending on version | Foams over wrapped coils with a lumbar memory-foam layer | Gel-infused foams plus coil airflow | Support-forward and steady | Moderate; deeper on plush versions | Medium bounce | Good for a hybrid | Strong for the price tier | 18-year limited warranty |
| Gem 8" | All-foam | About 8" | Firm | Typically Twin through Queen | Base foam + Bob-O-Pedic memory foam | Stretch knit cover with basic airflow | Best for lighter sleepers | Good for lighter bodies | Slow, low bounce | Very good | Better for lighter or secondary use | 10-year limited warranty |
| Prize Gel | Foam-over-coils | About 10" | Current line is firm | Twin through King | Stretch knit cover, transition foam, ventilated gel memory foam with charcoal, pocketed coils | Gel memory foam, charcoal, and coil airflow | Balanced with more contour | Strong | Moderate | Good | Good midrange build | 15-year limited warranty |
| Copper Sport | Hybrid+ | About 11.5" | Plush, Firm, and Dual | Twin XL through California King | Cooling cover with copper threads, memory foams, pocketed coils | Copper-thread cover plus coil airflow | Lively and easy to move on | Good, especially in Plush | High | Good for a bouncy bed | Strong, thicker build | 18-year limited warranty |
What We Tested and How We Tested It
We tested mostly queen sizes and rotated them through real bedrooms for multi-week use. Each model went through full-night sleep, plus quicker checks for setup, edge sitting, heat buildup, and how easy it was to change positions.
Scoring followed our usual categories: Support, Pressure Relief, Cooling, Motion Isolation, Responsiveness, and Edge Support. We also weighed durability expectations and overall value against what we felt after weeks of use.
Couple testing focused on turning, late-night entries, and edge sharing. For shoppers who care most about partner disturbance, we cross-checked those notes against what we usually see in couple reviews and our motion-transfer scoring.
Related: How We Test Mattresses
Bob's Mattress reviews: Our Testing Experience
Treasure Mattress
Our Testing Experience
Treasure was the most traditional “big mattress” feel in this lineup. It felt dense, substantial, and noticeably sturdier than Gem the first time we lay on it. On the firmer Treasure versions we checked, my hips stopped sooner and my lower back stayed more level through the night, which is exactly what I want when I am rotating between my back and side.
Marcus liked it for the same reason. He never got that slow, drifting sink he noticed on thinner foam beds, and he stayed more level on his back and stomach. Mia felt the support right away too, but she wanted more give at the shoulder than the firmer Treasure builds gave her.
For couples, Treasure landed in a practical middle ground. You still notice big turns, but it never felt loose or springy. The edge hold was the best in this group, so if you sleep near the side or sit there to get dressed, Treasure felt the most secure.
What we liked
- Support came on quickly and kept our heavier tester level.
- Edges felt stronger and more usable than the others.
- The overall build felt more substantial than the price suggests.
Who it is best for
- Back and combo sleepers who want a steadier surface.
- Average and heavier sleepers who need more pushback.
- Shoppers who want the most support-forward feel in Bob’s current group.
Where it falls short
- It is not the coolest bed here.
- Lighter side sleepers may want more pressure relief.
- Its weight makes setup and moving more of a chore.
Pros & Cons
| Pros | Cons |
| Stable coil support and a sturdy feel | Cooling is decent, not truly cool-to-the-touch |
| Best edge support in this group | Firmer versions can feel too firm for light side sleepers |
| More than one Treasure version to choose from | Heavy and bulky to move |
| Good value for a sturdier hybrid build | Some motion shows up with bigger movements |
Details
- Type: Hybrid mattress
- Height (approx.): About 11.5" to 12.5", depending on version
- Firmness options: Treasure varies by version, with firmer and plusher choices in the current line
- Available sizes: Commonly Twin through King, with some versions also in California King
- Comfort system: Quilted cover, foam layers, and a lumbar-focused memory-foam layer
- Support core: Individually wrapped coils with reinforced perimeter support
- Cooling: Gel-infused foams plus airflow through the coil unit
- Shipping: Treasure varies by version; some are boxed and some use standard delivery
- Trial/return: Bob’s current mattress policy asks for a 30-day break-in, then allows a return or one-time re-selection within 90 days
- Warranty: 18-year limited warranty
Gem Mattress (8")
Our Testing Experience
Gem was the simplest mattress we tested here: an 8-inch all-foam build that arrives compressed in a box. It was the easiest one to carry through tighter spaces, and it had that straightforward memory-foam contour right away when we lay down.
The downside showed up after a few hours. Under Marcus and me, Gem felt shallow, and my lower back tightened faster than it did on the thicker beds. Marcus described it as a mild hammock feeling on his stomach. For heavier nightly use, it never felt like enough mattress.
Mia had the better experience. At her weight, the top foam cushioned her shoulder without collapsing the whole bed, and the quieter all-foam feel helped with motion. For guest rooms, a first apartment, or a lighter solo sleeper trying to keep cost down, Gem made the most sense.
What we liked
- Very easy to carry, unbox, and place in smaller rooms.
- The foam feel stayed quiet and muted partner movement well.
- Price is hard to beat if you want something basic and usable.
Who it is best for
- Lighter sleepers who want a simple firm foam feel.
- Guest rooms, temporary setups, and low-cost spare bedrooms.
- Shoppers who need a boxed mattress that is easy to move.
Where it falls short
- The 8-inch profile felt thin under heavier bodies.
- Edge support was the weakest of the four.
- Cooling and long-term support both felt basic.
Pros & Cons
| Pros | Cons |
| Low price for a name-brand foam bed | Too thin for many heavier sleepers |
| Ships in a box and is easy to move | Weak edge support |
| Strong motion isolation for partners | Basic cooling features only |
| Comfortable enough for lighter bodies | Lower durability ceiling than the thicker models |
Details
- Type: All-foam mattress
- Height (approx.): About 8"
- Firmness: Firm
- Available sizes: Commonly Twin through Queen
- Comfort system: Bob-O-Pedic memory foam over base foam
- Cooling: Stretch knit cover with basic airflow
- Motion isolation: Strong for the price
- Shipping: Ships compressed in a box
- Trial/return: Bob’s current mattress policy asks for a 30-day break-in, then allows a return or one-time re-selection within 90 days
- Warranty: 10-year limited warranty
Prize Gel Mattress
Our Testing Experience
Prize Gel sat between Treasure and Gem in feel. The top layers gave more contour than Treasure, but the pocketed support core kept it from feeling flat or dead. In our hands-on testing, it did the best job of easing pressure at the shoulder without dropping me as quickly as Gem.
Mia kept coming back to Prize Gel because it felt the most forgiving at the shoulder. It was the bed in this group that let her stay on her side the longest before she started shifting around. Marcus and I both liked the balance more than Gem, but we still noticed more sink than we did on Treasure or Copper Sport.
For couples, Prize Gel did a decent job muting smaller movements, but bigger turns still came through because of the coil support underneath. It also slept warmer than Copper Sport in our room checks. If you want more contour than Treasure without dropping all the way down to Gem’s thin foam feel, Prize Gel is the middle pick.
What we liked
- Best shoulder relief in this group.
- More contour than Treasure without feeling as thin as Gem.
- Price-to-comfort ratio felt strong.
Who it is best for
- Sleepers who want more pressure relief without moving to a very soft bed.
- Back and combo sleepers who like a more cushioned top feel.
- Budget-minded shoppers stepping up from an entry foam bed.
Where it falls short
- It trapped more heat than Copper Sport.
- Edges felt average, not especially strong.
- Heavier stomach sleepers may want a flatter, firmer feel.
Pros & Cons
| Pros | Cons |
| Best pressure relief in this group | Warmer than Copper Sport for heat-sensitive sleepers |
| More contour than Treasure without feeling flimsy | Some bounce and movement transfer remain |
| Strong value in Bob’s midrange range | Edge support is only average |
| A smoother, quieter feel than bouncier hybrids | Not as steady as Treasure for heavier stomach sleeping |
Details
- Type: Gel memory-foam comfort layers over a pocketed coil support core
- Height (approx.): Around 10"
- Firmness: The current Prize Gel line is firm
- Available sizes: Typically Twin through King
- Comfort system: Stretch knit cover, transition foam, and ventilated gel memory foam with charcoal
- Support core: Foam-encased individually wrapped coils
- Cooling: Gel memory foam, charcoal, and airflow through the support core
- Shipping: Ships compressed in a box
- Trial/return: Bob’s current mattress policy asks for a 30-day break-in, then allows a return or one-time re-selection within 90 days
- Warranty: 15-year limited warranty
Copper Sport Hybrid 11.5"
Our Testing Experience
Copper Sport Hybrid was the most performance-leaning model we tested. The cover felt cooler at first contact, and the bed pushed back faster than the foam-forward options. On the first night, I noticed right away that changing positions took less effort here than it did on Gem or Prize Gel.
Marcus used Copper Sport as the heat test. In a warmer room, he still slept warm, but he felt less trapped and sticky than he did on Gem or Prize Gel. That matched my notes too: this was not an icy mattress, but it built the least heat in the group.
The comfort versions matter here. Plush gave Mia more shoulder give, while Firm felt more upright and supportive. Jenna and Ethan liked Copper Sport most as an all-around couple option because it blended easier movement, respectable motion control, and better edges than Gem.
What we liked
- Best cooling performance of the four.
- Fast response made repositioning easier.
- The line gives you Plush, Firm, and Dual options.
Who it is best for
- Hot sleepers who want the coolest surface in this group.
- Combination sleepers who move around a lot.
- Couples who want a livelier bed without giving up all motion control.
Where it falls short
- It is bulkier and heavier than Gem or Prize Gel.
- Firm versions can feel too upright for some side sleepers.
- Even here, cooling is good rather than truly cold.
Pros & Cons
| Pros | Cons |
| Best cooling in this Bob’s group | Your comfort choice matters a lot |
| High responsiveness for easy repositioning | Still not an “ice bed” for extreme hot sleepers |
| Strong support and edge stability | Bulky and heavy to move |
| Good all-around fit for couples | Costs more than Gem and Prize Gel |
Details
- Type: Hybrid+ mattress
- Height (approx.): About 11.5"
- Firmness options: Plush, Firm, and Dual
- Available sizes: Typically Twin XL through California King
- Comfort system: Cooling cover with copper threads plus memory-foam comfort layers
- Support core: Foam-encased individually wrapped coils
- Cooling: Copper-thread cover and coil airflow
- Shipping: Ships as a boxed mattress
- Trial/return: Bob’s current mattress policy asks for a 30-day break-in, then allows a return or one-time re-selection within 90 days
- Warranty: 18-year limited warranty
Compare Performance Scores of These Mattresses
| Mattress | Overall Score | Support | Pressure Relief | Cooling | Motion Isolation | Durability | Responsiveness |
| Treasure Mattress | 4.4 | 4.8 | 4.2 | 4.0 | 4.1 | 4.6 | 4.4 |
| Gem Mattress (8") | 3.8 | 3.4 | 4.0 | 3.3 | 4.3 | 3.5 | 3.5 |
| Prize Gel Mattress | 4.2 | 4.1 | 4.6 | 3.9 | 4.0 | 4.2 | 4.1 |
| Copper Sport Hybrid 11.5" | 4.5 | 4.7 | 4.3 | 4.6 | 4.2 | 4.6 | 4.8 |
If you want the most balanced performance across the board, Copper Sport Hybrid came out on top in our scoring. Treasure followed closely with a more support-forward feel, while Prize Gel leaned hardest into pressure relief. Gem’s best value is price and motion control, but its thinner build limited long-term support for heavier bodies.
Best Picks
-
Best cooling hybrid: Copper Sport Hybrid 11.5"
It stayed the most temperature-neutral in our warm-night checks and was the easiest to move around on. It’s a strong match for hot sleepers and couples who want a responsive hybrid feel. -
Best value for support: Treasure Mattress
Treasure felt the steadiest and most support-forward of the group, with strong edge hold and dependable alignment. It’s the safer pick for heavier sleepers and anyone who wants a firmer, less sinky surface. -
Best budget foam option: Gem Mattress (8")
A straightforward memory-foam bed that ships in a box and makes sense for lighter sleepers or guest rooms. For heavier full-time use, it felt too thin.
How do you choose a Bob’s mattress?
Start with two questions: how much support your body needs, and how sensitive you are to heat or partner movement. In our testing, the thicker coil-based options felt more dependable for nightly use, while the thinner all-foam build made the most sense as a budget or guest-room mattress.
-
Light-weight side sleeper
Prize Gel gave the best shoulder relief in our testing. If cost matters more than long-term depth, Gem can also work for a lighter body, but it is the thinner and less supportive option. -
Average-weight back or combo sleeper
Treasure was the most dependable for straight alignment and edge support. Copper Sport is the better fit if you want quicker pushback and easier repositioning. -
Hot sleeper
Copper Sport Hybrid stayed the most temperature-neutral in our warm-night checks. Treasure was fine for many sleepers, but it did not match Copper Sport when we compared them back to back. -
Heavier sleeper
Under heavier frames, Treasure in a firmer version and Copper Sport Firm held alignment best. Gem felt too thin, and Prize Gel let our heavier tester sink more than he wanted through the night. -
Budget-first shopper or guest-room setup
Gem is the obvious entry point: low cost, boxed delivery, and easy handling. If you can spend more and want a fuller feel, Prize Gel is the better step-up.
Instead of chasing a generic “soft” or “firm” label, start with a mattress firmness guide, then use the notes above to match your own habits—side-sleeping pressure points, partner motion, and how often you change positions.
Related: What Mattress to Buy
Limitations
These four models will not cover every sleeper. If you want a very hard, board-flat feel, even Treasure and Copper Sport still have some give. And if your budget sits below Gem’s price point, you may need to shop outside Bob’s lineup.
Very heavy sleepers well above Marcus’s range may outgrow Gem and the more contouring models sooner as foams break in. And if you want a thin, old-school innerspring bounce, these Bob’s beds lean more toward wrapped coils and foam comfort than stiff Bonnell-spring feel.
Policies at a Glance
| Mattress | Shipping | Trial Period | Return / Exchange | Warranty Length | Notable Conditions |
| Treasure | Varies by version; Bob’s lists both boxed and standard-delivery Treasure models | Sleep on it for 30 days; comfort window runs to 90 days | One-time re-selection or return within 90 days; refund is minus original delivery fee | 18-year limited | Use proper support; foundations and adjustable bases are not returnable |
| Gem 8" | Boxed mattress | Sleep on it for 30 days; comfort window runs to 90 days | One-time re-selection or return within 90 days; refund is minus original delivery fee | 10-year limited | Use proper support; foundations and adjustable bases are not returnable |
| Prize Gel | Boxed mattress | Sleep on it for 30 days; comfort window runs to 90 days | One-time re-selection or return within 90 days; refund is minus original delivery fee | 15-year limited | Use proper support; foundations and adjustable bases are not returnable |
| Copper Sport | Boxed mattress | Sleep on it for 30 days; comfort window runs to 90 days | One-time re-selection or return within 90 days; refund is minus original delivery fee | 18-year limited | Use proper support; foundations and adjustable bases are not returnable |
Bob’s policies can vary by item, but the current mattress policy is consistent on the main points: a 30-day break-in period, then a one-time re-selection or a return within 90 days. If you think you may use that policy, keep your receipt, keep the law tag, and read the warranty exclusions before checkout.
Related: Mattress Warranty Guide
Related: Mattress Trial Guide
FAQs
Does Bob’s Mattress stay comfortable long-term, or does it just feel good in a store?
The thicker support-heavy options—Treasure and Copper Sport—held alignment best over our multi-week rotation. Prize Gel stayed comfortable and pressure-relieving, but it has a more contouring feel that will not fit everyone long-term. Gem was the most short-term feeling option and showed its limits fastest under heavier bodies.
Which Bob’s mattress is best for side sleepers with shoulder pain?
Prize Gel gave the best shoulder relief in our testing. Copper Sport Plush can also work if you want more pushback and better cooling, while firmer Treasure versions can feel too firm for lighter side sleepers. Gem can relieve pressure for lighter bodies, but it is thinner and less supportive for heavier side sleepers.
Do Bob’s hybrids sleep hot?
The coil-based models breathed better than the thinner all-foam bed, but the comfort foams still mattered. In our tests, Copper Sport built the least heat, Treasure sat in the middle, and Prize Gel felt warmer over longer stretches.
Which Bob’s mattress is the best for couples?
Gem muted motion the most, but its edge support and usable surface area were limited. For a better all-around mix of edge strength, easy movement, and solid motion control, Copper Sport was our top couples pick, with Treasure close behind.
Is the Gem mattress thick enough for everyday sleep?
For lighter sleepers and occasional use, yes. For heavier daily use, Gem felt thin and less supportive than the other three. If you want a fuller mattress feel from Bob’s, step up to Treasure, Prize Gel, or Copper Sport.
Do these Bob’s mattresses work on an adjustable base?
On Bob’s current listings, Gem, Treasure, Prize Gel, and Copper Sport all show adjustable-base compatibility. It is still smart to confirm the exact version you buy, especially if you are ordering a bundled set or a split configuration.
How long do Bob’s mattresses last?
In our testing, the thinner all-foam build felt like it would show wear sooner than the thicker coil-based beds. Gem made the most sense as a budget or guest-room option, while Treasure and Copper Sport felt like the safer bets for longer-term daily use.
