Not all mattresses need to be as expansive as a California king. In fact, for many who own cottages, are down-sizing to smaller living accommodation, or have kids at home or heading off to university, the best size of mattress is a twin. And luckily for you, gone are the days when this narrower style of bed meant a lumpy, super-thin pad that was better suited to a cot than a guest room for friends and family Today’s twin-bed designs prove you don’t have to sacrifice all the bells and whistlers those super-sized options offer, just because you’re scaling down to a mattress that better suits your lifestyle.
| Rank | Product | Highlights | Warranty |
| #1 |  Olee, Aquarius, 10-Inch Twin Memory Foam Mattress with Cooling Gel Infusion
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| #2 |  Linenspa, 5-Inch, Twin Memory Foam Mattress with Gel Infused Comfort Layer
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| #3 |  Sweetnight, 8-inch Twin Memory Foam Mattress with Removable Cover
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| #4 |  Live and Sleep, Ultra, 14-inch Twin Memory Foam Mattress with Premium Air-Flow Layer
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| #5 |  Lucid, 8-inch, Twin Memory Foam Mattress with Bamboo Charcoal Infusion
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| #6 |  Sweetnight, Breeze, 8-inch, Twin Memory Foam Mattress with Machine Washable Cover
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You may want to read: Best Twin Bed Headboard
What Are the Benefits to a Twin Memory Foam Mattress?
While this size of mattress is ideal for everyone from toddlers to teens, it’s also a perfect option for those with guest rooms because, at an average of 39-inches in width and 75-inches in length, it takes up far less space than a pull-out sofa. Just toss some cushions on it and call it a day-bed. And with a wide range of memory foam options, you’re never sacrificing comfort for convenience. Transitioning your little one out of a crib? Why buy a toddler bed that will only see them through a couple of years. A great quality twin bed can take them through their childhood and into their teens. And because the versatile foam options are resistant to dust mites and allergens, they’re ideal for any sleeper that suffers from asthma or allergies.
You may be interested in: The Best Firm Twin Mattress
What to Look for When Buying a Twin Memory Foam Mattress
Construction
With memory foam, it’s all about firmness and density, so, before you buy, consider how you intend to use your new mattress. For a child’s room, you won’t want anything too firm, because their lighter weight will simply rest atop the surface versus a benefit from the contouring comfort of the foam. For a guest room – particularly for heavier or older visitors – you’ll want that firmer mattress because it not only delivers the support they’ll want, but it’s easier for them to turn over in the night and to get out of bed. As for densities, memory foam comes in high-, medium-, and low-density with the higher option is the most durable.
Size
While a standard twin-size memory foam mattress measures 75-inches in length, today’s manufacturers recognize the need to produce a design that can accommodate growing teens and taller adults. That’s why they developed a Twin XL. This lengthier custom size retains the same width as a twin, but its length extends to a full 80-inches. While it may not fit standard bunks and will require an appropriately sized bed-frame, those extra 5 inches in are a solution for back- or stomach-sleepers who suffer from restless nights because their feet dangle over the end of the bed.
Density
While the higher the density, the more durable the memory foam, there are other factors to consider when determining which level is best for you. Low-density memory foam is considered anything at or below 3 pounds per cubic foot. It’s softer, and better suited to children or lighter adults. Medium-density is 4-5 pounds per cubic foot and while still soft, it’s a little firmer and great for side, back or stomach sleepers. When you get to higher density, you’re looking at between 5 and 10 pounds per cubic foot – which is perfect for heavier individuals.
Ease of Use
What’s great about a memory foam mattress – particularly in a twin size – is that it’s lightweight. It’s a versatile option that’s easy to pop onto a bunk bed or a trundle for when sleepovers happen, and unlike their coil-spring counterparts, memory foam mattresses come with a zippered cover that allows you to remove, launder, and replace as often as you like.
Best Twin Memory Foam Mattresses
Olee, Aquarius, 10-Inch Twin Memory Foam Mattress with Cooling Gel Infusion
Specs:
- Depth: 10-inches
- Sizes: Twin, Full, Queen, King
- Firmness Level: Medium-Firm
- Construction: Gel-infused memory foam
- Cover: Stretchable, polyester jacquard
- Maintenance: Spot-clean only
- Warranty: 10-year manufacturers warranty
Best for Side Sleepers Who Require Firmer Support for Shoulders and Hips
If you’re in the market for a great twin bed that you can use for overnight guests, look no further. This firmer, gel-infused memory foam mattress delivers not only a more comfortable sleep because of its breathable upper layer, but a firmer level of support for heavier joints. In fact, that’s what makes this option so ideal for side sleepers – it cradles hips and shoulders for an optimal spinal alignment that instantly adapts to your shape regardless of how often you move in the night. And because the foam is breathable, it expels warm air as you sleep so you’ll enjoy a more comfortable night of uninterrupted rest. Its light-weight design makes it easy to set up or take down and store as needs arise. And because it’s covered in a beautifully textured polyester cover that flexes and works with the memory foam to deliver non-stop support, it’s asleep option you’ll be proud to share with friends or family.
Pros
- Patented Dura I-Gel foam-infused surface
- Lightweight construction
- Medium-firm support
- CertiPUR-US and Oeko-tex certified
- Breathable jacquard cover
Cons
- Does not come in XL size
- The cover is not machine-washable
Who Should Buy This Twin Memory Foam Mattress?
If the sleeper using this twin-sized memory foam mattress is looking for serious support for their shoulders, hips, and knees, the firmer surface of this gel-infused mattress makes this option a perfect choice.
Linenspa, 5-Inch, Twin Memory Foam Mattress with Gel Infused Comfort Layer
Specs:
- Depth: 5-inches
- Sizes: Twin, Twin XL, Full, Full XL, Queen, King, California King
- Firmness Level: Firm
- Construction: Gel-infused memory foam
- Cover: 60% polyester / 40% viscose
- Maintenance: Spot-clean only
- Warranty: 10-year manufacturers warranty
Best for Those Wanting to Upgrade a Bunk or Trundle Mattress
This twin-size memory foam mattress is a great option for when it’s time to upgrade that tired bunk bed, soften a builder-grade RV sleeper, or add some extra comfort to a trundle that can’t accommodate the deeper mattresses. At just 5-inches thick, this low-profile option still delivers an effective level of firm support that’s perfect for everyone from kids to teens, and lighter weight adults. And while you may think the slimmer line means you lose out on quality, you’d be wrong. Just like the deeper mattresses, you enjoy a full 1-inch layer of cooler, gel-infused memory foam that helps to dissipate heat for more restorative sleep. It’s perfect for stomach-sleepers who still want the contouring comfort of memory foam, but without the plusher surface. And because the 100% polyester cover is fully breathable, it continually expels warm air so you never miss out on a restorative sleep because of overheating.
Pros
- 1-inch Gel-infused memory foam upper
- Lightweight construction
- Firm support
- Low profile for bunks and trundles
- Wide range of sizes
Cons
- The cover is not machine-washable
Who Should Buy This Twin Memory Foam Mattress?
This is a great option for the household that wants a great memory foam product but are faced with space constraints. The 1-inch gel-infused memory foam upper, instantly elevates the comfort level of any sleep surface.
Sweetnight, 8-inch Twin Memory Foam Mattress with Removable Cover
Specs:
- Depth: 8-inches
- Sizes: Twin, Full, Queen
- Firmness Level: Medium-Firm
- Construction: Gel-infused memory foam
- Cover: Cotton / rayon blend
- Maintenance: Machine washable cover
- Warranty: 10-year manufacturers warranty
Best for Those Looking for a Little More Comfort in a Twin Mattress
For those who need a compact bed, but don’t want to sacrifice on sleep comfort, you’ll want to check out this 8-inch deep, twin memory foam mattress. Not only does it feature a 2-inch thick gel-infused layer of comfort foam that expels warm air for cooler sleep, but the 6-inch base layer delivers medium-firm support that makes it ideal for stomach-, side-, or back-sleepers. Best of all, it can be used on any base – from a box-spring, to IKEA-style slats, even an adjustable bed. Now, a key benefit to memory foam is that it’s naturally resistant to mold and dust mites – which makes this twin mattress perfect for those who suffer from asthma or allergies. And there’s more good news, because this cotton/rayon blend cover is breathable, moisture-wicking, and zippered for easy removal and machine-washing. As a result, your mattress surface is always clean, hygienic, and welcoming to overnight guests.
Pros
- 2-inch Gel-infused memory foam comfort layer
- CertiPUR-US certified
- Breathable, moisture-wicking cover
- Fits all bed frames
- Machine washable cover
Cons
- Does not come in Twin XL
Who Should Buy This Twin Memory Foam Mattress?
If you’re looking for an effective way to upgrade your twin mattress, this is a perfect route to go. With a full 2-inch layer of gel-infused memory foam atop a 6-inch layer of comfort foam, you get the long-lasting support you would want for everyday use.
Live and Sleep, Ultra, 14-inch Twin Memory Foam Mattress with Premium Air-Flow Layer
Specs:
- Depth: 14-inches
- Sizes: Twin, Twin XL, Full, Queen, King, California King
- Firmness Level: Medium to Medium-Firm
- Construction: Air-flow memory foam over gel-infused foam
- Cover: Breathable knit
- Maintenance: Machine-washable cover
- Warranty: 30-day trial, 20-year manufacturers warranty
Best for Those Who Want the Look and Feel of a Higher Profile Mattress
Choosing a twin-sized mattress doesn’t mean you have to compromise on getting all those extra layers of contouring support featured on so many of today’s designs. In fact, unless you need a low-profile option to fit a bunk, a trundle, or a cot, it’s time to dream big – and that’s where this impressive 14-inch deep memory foam bed steps up to the plate. Not only does this twin-sized mattress feature a 3-inch layer of premium air-flow foam atop another layer of gel-infused memory foam for exceptional contouring comfort, but it’s breathable. For you, that means a sleep surface that continually expels warm air throughout the night. And because it features a high-density base for uniform support, you never need to worry about your mattress sagging or deteriorating over time. Best of all, it can be used on any style of the frame including box spring, slats, and even adjustable beds. A soft, breathable cover flexes with the memory foam to adapt to your contours regardless of how often you move, and because it’s fully zippered, it can be removed for machine-washing.
Pros
- 3-inch air-foam memory foam upper
- Lightweight construction
- Medium to Medium-firm support
- Works with any bed frame
- CertiPUR-US certified
- Flexible knit cover
Cons
- Does not come in XL size
Who Should Buy This Twin Memory Foam Mattress?
For those who love the extra height that comes from a multi-layer mattress, this gel-infused memory foam option with a flexible, breathable cover, is a perfect choice.
Lucid, 8-inch, Twin Memory Foam Mattress with Bamboo Charcoal Infusion
Specs:
- Depth: 8-inches
- Sizes: Twin, Twin XL, Full, Queen, King, California King
- Firmness Level: Firm
- Construction: Gel-infused memory foam
- Cover: Breathable polyester
- Maintenance: Spot-clean only
- Warranty: n/a
Best for Those Who Need the Cooling Comfort of a Gel Infused Sleep Surface
For stomach sleepers, finding a mattress that delivers contouring comfort but without that suffocating sinking sensation, is critical to achieving a restorative night. And because this style of sleeper also tends to breathe directly into the mattress surface, they need it to be constructed from materials that can help dissipate heat and moderate temperatures. That’s why this medium-firm twin bed with a ventilated, gel memory foam surface is such a great option. Not only does the 1-1/2-inch top comfort layer expel warm air non-stop as you sleep, but when combined with the super dense, 6-1/2-inch memory foam support layer, it offers a firmness level that’s ideal for stomach sleepers or even side sleepers in need of solid support for heavier joints such as hips and shoulders. And while the base layer uses bamboo charcoal infusion to retain a fresher-smelling mattress, all foams used in this bed’s manufacture are Certi-PUR US certified which helps eliminate off-gassing.
Pros
- Ventilated, gel-infused memory foam
- Bamboo charcoal infused base for a fresher smell
- Lightweight construction
- Firm to medium-firm support
- CertiPUR-US certified
Cons
- The cover is not machine-washable
Who Should Buy This Twin Memory Foam Mattress?
This mattress is a great option for those who sleep on their stomach and need a firmer level of support from a product that features minimal off-gassing.
Sweetnight, Breeze, 8-inch, Twin Memory Foam Mattress with Machine Washable Cover
Specs:
- Depth: 8-inches
- Sizes: Twin, Full, Queen
- Firmness Level: Medium-Firm
- Construction: Gel-infused memory foam
- Cover Material: Cotton/rayon blend
- Maintenance: Machine washable
- Warranty: 10-year manufacturers warranty
Best for Those Who Want a Breathable Cover that Wicks Moisture
Whether you need a twin-sized memory foam mattress for use in a guestroom or as a more permanent sleep surface for kids and teenagers, having a removable, machine-washable cover is a serious bonus that makes this option perfect for busy households where it will get plenty of use. Now, in spite of its low-profile design, this naturally hypoallergenic mattress features a substantial, 2-inch layer of ventilated gel-infused memory foam atop a 6-inch, high-density foam core that delivers uniform overall comfort and superior edge support. Best of all, because this mattress uses both microscopic gel beads to channel air out, plus added ventilation, friends or family who enjoy the use of this mattress will never experience a restless night due to overheating. When you add to all of that, a soft, rayon/cotton blend cover that is both breathable, washable and ideal at wicking moisture, you have a sleep system that’s effective at delivering the quality of sleep your family deserves.
Pros
- Ventilated, gel memory foam surface
- Lightweight construction
- Medium-firm support
- Naturally hypoallergenic
- Breathable, moisture-wicking cover
Cons
- Does not come in Twin XL
Who Should Buy This Twin Memory Foam Mattress?
Opting for a twin-sized memory foam mattress doesn’t mean you have to sacrifice convenience or quality. With this option, you have both a cooling gel-infused surface and a washable, moisture-wicking cover that works together with the foam to deliver contouring support.
Bottom Line:
No longer is the twin bed relegated to the comfort of a cot. Today’s designs feature the level of support, quality of foams, heat dissipation technology, and softer level of comfort that you have come to expect from a much larger, much more expensive, brand name mattress. They offer low-profile designs ideal for when it’s time to upgrade your bunk or trundle, and because they’re lighter weight than a coil-spring or hybrid design, they’re easy to set up, clean, and store.