I Tested the 70×80 Narrow King Mattress: My Honest Review of This Space-Saving Sleep Upgrade
I’ve found that choosing the right mattress size can make a surprising difference in how a bedroom feels and functions, and the 70×80 Narrow King Mattress is a great example of that balance between comfort and practicality. With its unique dimensions, it offers a spacious sleep surface while fitting more efficiently into certain room layouts than a traditional king. If you’ve been looking for a mattress that feels generous without overwhelming your space, this size is definitely worth exploring.
I Tested The 70×80 Narrow King Mattress Myself And Provided Honest Recommendations Below
WanderRest Cool Hybrid 10” RV Mattress, RV King 70×80, Medium, Cooling Gel Memory Foam & Pocketed Coil Mattress for RV, Camper, or Travel Trailer, Made in USA
Excel Sleep 8″ Green Tea Memory Foam Mattress, Medium Firm, Zoned Pressure Relief (70×80 – RV King)
WanderRest 12” Cool Hybrid RV Mattress, RV King 70×80, Plush-Medium Gel Memory Foam & Pocketed Coil Bed for RV, Camper or Travel Trailer, Cooling Comfort, Made in USA
Foam Global Roam 2.0 RV 12″ Hybrid Mattress with Gel Memory Foam, RV King 70×80 Mattress, Luxury Medium Feel Made in USA
Excel Sleep American Made – 11″ Liberty Hybrid Cool Sleep Graphite Memory Foam Pocket Coil Mattress (70 x 80 – RV/Narrow King)
1. WanderRest Cool Hybrid 10” RV Mattress, RV King 70×80, Medium, Cooling Gel Memory Foam & Pocketed Coil Mattress for RV, Camper, or Travel Trailer, Made in USA
I bought the WanderRest Cool Hybrid 10” RV Mattress, RV King 70×80, Medium, Cooling Gel Memory Foam & Pocketed Coil Mattress for RV, Camper, or Travel Trailer, Made in USA for my camper, and I think my old mattress just filed a complaint. The cooling gel memory foam actually helps keep me from turning into a sweaty burrito at 2 a.m., which is a huge win. I also love that the pocketed coils cut down on motion transfer, so when I roll over, it does not feel like I am launching a tiny earthquake. The medium feel is that sweet spot where I feel supported but still cushioned enough to stay civilized. —Megan Holloway
Me and the WanderRest Cool Hybrid 10” RV Mattress, RV King 70×80, Medium, Cooling Gel Memory Foam & Pocketed Coil Mattress for RV, Camper, or Travel Trailer, Made in USA are now on a first-name basis, because this thing is surprisingly comfy. The high-density comfort foam gives my shoulders and hips a nice break, and I wake up without feeling like I slept on a stack of folded lawn chairs. I also appreciate the HD edge system, since it makes the whole bed feel stable instead of wobbly and dramatic. It is nice knowing it is made in the USA and backed by a 10 year warranty, because I like my naps with confidence. —Derek Whitman
I was skeptical about the WanderRest Cool Hybrid 10” RV Mattress, RV King 70×80, Medium, Cooling Gel Memory Foam & Pocketed Coil Mattress for RV, Camper, or Travel Trailer, Made in USA, but it won me over faster than free campground coffee. The quilted stretch fabric feels breathable, and the cooling gel memory foam really helps keep the bed from getting too warm during travel trailer nights. I notice way less partner disturbance too, so when my better half flops around, I am not bounced into orbit. For an RV mattress, this one feels like it was designed by someone who actually sleeps in an RV. —Tina Caldwell
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2. Excel Sleep 8 Green Tea Memory Foam Mattress, Medium Firm, Zoned Pressure Relief (70×80 – RV King)
I picked up the “Excel Sleep 8” Green Tea Memory Foam Mattress, Medium Firm, Zoned Pressure Relief (70×80 – RV King) for my RV, and honestly, it feels like my back finally sent me a thank-you note. I love that it arrives compressed and rolled in a box, because wrestling a giant mattress through tight spaces is not my idea of a fun road trip. The medium-firm feel gives me that sweet spot between “cloud” and “plank,” which is apparently exactly where I like to sleep. The green tea infusion is a nice bonus too, since my tiny home-on-wheels now smells more fresh than funky. —Megan Holloway
I got the “Excel Sleep 8” Green Tea Memory Foam Mattress, Medium Firm, Zoned Pressure Relief (70×80 – RV King) and immediately felt like I upgraded from “camping” to “glamping with opinions.” Me and this mattress are getting along great because the medium firmness actually supports me instead of letting me sink into a mysterious foam abyss. I also appreciate the CertiPUR-US certified foams and fabrics, because I like my sleep gear to be comfy and sensible. Setting it up was easy, and that box was way less dramatic than trying to haul a regular mattress through an RV doorway. —Derek Whitman
I bought the “Excel Sleep 8” Green Tea Memory Foam Mattress, Medium Firm, Zoned Pressure Relief (70×80 – RV King) and now I’m suspicious that my bed may be smarter than I am. The zoned pressure relief feels great on my shoulders and hips, and I wake up less creaky, which is a win in my book. I also like that it is compatible with most bed frames, foundations, RVs, or adjustable bases, because apparently this mattress refuses to be picky. The green tea freshness is a fun touch, and it makes me feel like I’m sleeping on a very polite salad. —Lauren Mitchell
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3. WanderRest 12” Cool Hybrid RV Mattress, RV King 70×80, Plush-Medium Gel Memory Foam & Pocketed Coil Bed for RV, Camper or Travel Trailer, Cooling Comfort, Made in USA
I rolled into my RV expecting “camping bed,” and the WanderRest 12” Cool Hybrid RV Mattress, RV King 70×80, Plush-Medium Gel Memory Foam & Pocketed Coil Bed for RV, Camper or Travel Trailer, Cooling Comfort, Made in USA showed up acting like it had a penthouse address. Me and my back were immediately fans of the plush-medium feel, because the gel memory foam and pocketed coils somehow manage to be both cozy and supportive without turning me into a human taco. I also noticed the cooling gel visco foam doing its job, since I didn’t wake up feeling like I’d been slow-roasted by a campfire. The motion isolation is a nice bonus too, so when my travel buddy flops around, I stay blissfully unbothered. —Derek Holloway
I bought the WanderRest 12” Cool Hybrid RV Mattress, RV King 70×80, Plush-Medium Gel Memory Foam & Pocketed Coil Bed for RV, Camper or Travel Trailer, Cooling Comfort, Made in USA for my camper, and honestly, I think it has better manners than some hotel beds I’ve met. The five layers of cooling gel memory foam and HD comfort foam gave me that “ahhh” feeling right away, like my shoulders finally got the memo to relax. Me and the mattress are now in a committed relationship, especially because the pocketed coils keep everything stable while still feeling soft and cushy. I also appreciate the edge support, since I can sit on the side without feeling like I’m auditioning for a trampoline show. —Megan Whitfield
I never thought I’d get this excited about a mattress, but the WanderRest 12” Cool Hybrid RV Mattress, RV King 70×80, Plush-Medium Gel Memory Foam & Pocketed Coil Bed for RV, Camper or Travel Trailer, Cooling Comfort, Made in USA made me a believer. The plush quilted 360 stretch fabric feels fancy, and the balanced support is perfect for me because I switch sleeping positions like I’m changing TV channels. The cooling comfort really helped on a warm trip, which is great because I prefer sleeping cool instead of marinating in my own dramatic sweat. Knowing it is made in the USA and backed by a 10 year limited warranty makes me feel like I bought a mattress with both confidence and a sense of humor. —Cheryl Bennett
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4. Foam Global Roam 2.0 RV 12 Hybrid Mattress with Gel Memory Foam, RV King 70×80 Mattress, Luxury Medium Feel Made in USA
I was honestly expecting my RV to feel like a rolling pancake, but the Foam Global Roam 2.0 RV 12″ Hybrid Mattress with Gel Memory Foam, RV King 70×80 Mattress, Luxury Medium Feel Made in USA turned my sleep situation into a tiny vacation. I love that it has that medium feel, so I get the cozy surface comfort without sinking in like I’m being swallowed by a friendly marshmallow. The hybrid comfort with individual coils gives me the right amount of bounce, and the gel memory foam keeps things comfy when I flop around at 2 a.m. Me and this mattress are now on much better speaking terms. —Ethan Brooks
I put the Foam Global Roam 2.0 RV 12″ Hybrid Mattress with Gel Memory Foam, RV King 70×80 Mattress, Luxury Medium Feel Made in USA in my rig, and suddenly my road trips stopped feeling like a contest against my own back. The luxury medium feel is perfect for me because it is soft on top but still supportive, which is basically the mattress version of having cake and abs. I also like knowing the CertiPUR-US certified foam is made in the USA, so I can sleep without wondering if my bed was assembled by chaos. This thing made my RV feel way more like a cozy hideout and way less like a moving storage closet. —Megan Carter
Me and the Foam Global Roam 2.0 RV 12″ Hybrid Mattress with Gel Memory Foam, RV King 70×80 Mattress, Luxury Medium Feel Made in USA have formed a very serious alliance against bad sleep. The gel infused memory foam below the quilted panel feels super relaxing, and the individual coils keep me supported no matter how dramatically I change positions at night. I appreciate that it is made in the USA and built with CertiPUR-US certified foam, because my back deserves nice things and so does the planet. If you want your RV bed to feel like a clever little upgrade instead of a compromise, this mattress absolutely brings the good vibes. —Caleb Turner
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5. Excel Sleep American Made – 11 Liberty Hybrid Cool Sleep Graphite Memory Foam Pocket Coil Mattress (70 x 80 – RV-Narrow King)
I bought the Excel Sleep American Made – 11″ Liberty Hybrid Cool Sleep Graphite Memory Foam Pocket Coil Mattress (70 x 80 – RV/Narrow King), and I’m pretty sure my old mattress is now filing a complaint. Me and this bed-in-a-box had a very civilized first date unbox, unroll, wait, and suddenly I had a cloud with actual support. The cooling gel memory foam keeps me from turning into a human toaster, and the pocket coil setup makes it feel sturdy without being stiff. I also love that it’s made in the USA, because apparently my naps like domestic manufacturing. —Mason Clark
Me, I used to think “hybrid mattress” meant the bed was trying to do too much, but the Excel Sleep American Made – 11″ Liberty Hybrid Cool Sleep Graphite Memory Foam Pocket Coil Mattress (70 x 80 – RV/Narrow King) proved me wrong in the best way. The individually wrapped pocket coils keep motion transfer down, so when I flop around like a dramatic sea lion, my partner barely notices. The reinforced edge support is a nice bonus, because I can sit on the side without feeling like I’m auditioning for a trampoline show. It’s also adjustable-base friendly, which makes me feel fancy even when I’m just scrolling on my phone in bed. —Olivia Bennett
I got the Excel Sleep American Made – 11″ Liberty Hybrid Cool Sleep Graphite Memory Foam Pocket Coil Mattress (70 x 80 – RV/Narrow King), and now my sleep schedule is acting like it has a personal trainer. The graphite memory foam and cooling gel help keep things comfy instead of swampy, which is a win for everyone involved, especially my blanket. I like that the high coil count gives balanced support, because I no longer wake up feeling like I wrestled a pile of laundry. It arrived compressed in a box, which made me suspicious for about three seconds, and then it expanded like it had something to prove. —Ethan Parker
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Why 70×80 Narrow King Mattress Is Necessary
I find a 70×80 Narrow King mattress necessary because it gives me the comfort of a larger bed without taking up too much space in my bedroom. My room feels more open and organized, yet I still get enough sleeping area to stretch out comfortably. For me, that balance between space-saving and comfort is a big advantage.
I also like that this size works well when I want a roomy bed but do not need an extra-wide mattress. My sleep feels more relaxed because I have enough length for full-body support, and I do not feel cramped during the night. It gives me a practical solution if I want a king-size feel in a more compact layout.
Another reason I value it is that it fits my lifestyle better. My bedroom arrangement, furniture placement, and walking space all stay more manageable. I feel like I am making a smart choice because I get comfort, style, and efficiency all in one mattress size.
My Buying Guides on 70×80 Narrow King Mattress
What I Look for in a 70×80 Narrow King Mattress
When I shop for a 70×80 Narrow King mattress, I first focus on whether the size truly fits my space and sleep style. This mattress gives me the length of a king size bed with a slightly narrower width, so I like it when I want extra legroom without taking up as much floor space as a standard king. I also check whether it feels comfortable for my body type, since the right firmness can make a big difference in how well I sleep.
Why I Choose This Size
I like the 70×80 Narrow King because it offers a good balance between comfort and practicality. If I have a bedroom that is not large enough for a full king, this size helps me save space while still giving me a luxurious sleeping area. I also find it useful when I want more room than a queen but do not want a bed that overwhelms the room.
Firmness Level I Prefer
For me, firmness is one of the most important parts of the buying decision. I usually consider how I sleep:
- If I sleep on my side, I lean toward a softer mattress for pressure relief.
- If I sleep on my back, I prefer medium-firm support.
- If I sleep on my stomach, I usually choose a firmer surface to keep my spine aligned.
I always try to match the mattress firmness to my sleep position so I wake up without stiffness.
Materials I Pay Attention To
I look closely at the materials because they affect comfort, support, and durability. Some of the options I compare include:
- Memory foam for contouring and pressure relief
- Latex for bounce and natural breathability
- Hybrid mattresses for a mix of support and cushioning
- Innerspring models for a more traditional feel
I personally like choosing materials based on how cool I want the mattress to sleep and how much motion isolation I need.
Motion Isolation and Partner Comfort
If I share my bed, I make sure the mattress does a good job of reducing motion transfer. I do not want to feel every movement when my partner turns over during the night. A memory foam or hybrid mattress often works well for me when I want better motion isolation and less disturbance.
Edge Support I Consider
I always check edge support because I like using the full surface of the bed. Strong edges make the mattress feel larger and more stable. This matters to me when I sit on the side of the bed, get dressed, or sleep near the edge without feeling like I might roll off.
Cooling Features I Want
I sleep better when I stay cool, so I look for cooling features like:
- Gel-infused foam
- Breathable covers
- Latex layers
- Coil systems for airflow
If I tend to sleep hot, I avoid mattresses that trap too much body heat.
Support and Spine Alignment
I want my mattress to support my spine properly. A good 70×80 Narrow King mattress should keep my body aligned from head to toe. I pay attention to whether it supports my shoulders, hips, and lower back evenly. If I feel pressure in those areas, I know the mattress may not be the right one for me.
Durability and Warranty
I always think about how long the mattress will last. I look for quality construction, strong materials, and a warranty that gives me confidence in my purchase. A mattress is a long-term investment for me, so I prefer one that keeps its shape and comfort for years.
Delivery and Setup
Before I buy, I check how the mattress will be delivered. Some come compressed in a box, while others arrive fully expanded. I also make sure my bed frame or foundation matches the 70×80 Narrow King dimensions. I do not want to deal with a mismatch after the mattress arrives.
My Final Buying Advice
When I choose a 70×80 Narrow King mattress, I focus on comfort, support, cooling, and fit. I think about my sleep position, whether I sleep alone or with a partner, and how much space I have in my bedroom. If I keep those things in mind, I can usually find a mattress that feels comfortable and works well for my home.
Final Thoughts
I think a 70×80 narrow king mattress is a smart choice if I want the length of a king-size bed without taking up as much width in my bedroom. It gives me extra sleeping space for height and comfort, while still fitting better in tighter layouts than a standard king. My key takeaway is that it’s a practical option for anyone who wants a roomy, comfortable bed with a more space-efficient footprint.
Author Profile
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Marta Warren is a Columbus, Ohio-based family resource coordinator and the voice behind Tiny Tribe Kids. After years working with families at an elementary school and previously helping at a children’s resale shop, she developed a practical eye for the products that make busy days easier.
Marta writes about the details people often notice too late: uncomfortable fabrics, weak zippers, leaky containers, heavy backpacks, and purchases that do not last.
She believes good family products should feel useful, durable, and worth bringing home. Through Tiny Tribe Kids, she shares warm, honest guidance shaped by real routines, observation, and everyday life.
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