






Product description


1 Pressure Relief 2 Breathable


【Advanced Smarts Coil Technology】Our 14 inch hybrid mattress features innovative Smarts Coil springs that automatically conform to your body, delivering targeted pressure relief and proper spinal alignment. The high-compression coils provide customized support for all sleep positions – back, side and stomach sleepers.
【Reinforced Edge Support System】Specially constructed with 20% thicker perimeter coils to prevent sagging and create a stable sleeping surface. Provides secure edge support whether sitting or sleeping near the sides.
【Superior Motion Isolation】Individually wrapped Smarts Coil work with premium comfort foam to absorb movement, reducing motion transfer by 75%. Enjoy undisturbed sleep even with a restless partner.
【Breathable Sleep Surface】This king size mattress combines breathable fabric with an open-coil spring system to promote natural airflow. The design allows heat to dissipate naturally, helping you stay comfortably cool throughout the night
【Easy Setup & Warranty Protection】Arrives compressed in a box for convenient delivery. Allow 48-72 hours for full expansion. Backed by a 10-year limited warranty and supported by our dedicated customer care team.
7 reviews for Avenco King Mattress, 14 Inch Medium Firm King Size Mattress in a Box, Hybrid Mattresses with Smarts™ Coil Pocket Springs for Motion Isolation, Strong Edge Support, CertiPUR-US Certified
Add a review
$349.99

W –
Supportive, Comfy, and Great Sleep from Night One
I bought this mattress for a guest bedroom, but after testing it out myself, I honestly kind of want one for my own room. It arrived rolled up and compressed in a box, and I was impressed with how easy it was to set up—just unbox, unwrap, and it started expanding right away. It had barely any odor, which was a big relief since I’ve had other boxed mattresses that needed days to air out.Once it was fully expanded (within a few hours), the mattress looked and felt really high-quality. The surface has just the right amount of cushioning without being too soft—it’s definitely on the medium-firm side, which I personally like. I’ve had some back issues in the past, and when I laid on this, it felt supportive and evenly balanced. The pocket coils underneath give it a nice bounce while also helping with motion isolation. I tested it by sitting on one side while placing a cup on the other, and the cup barely moved—so it should be perfect for light sleepers or anyone sharing a bed.One feature I really appreciate is the edge support. You can sit or lie near the edge without feeling like you’re about to slide off, which isn’t always the case with mattresses in this price range. The hybrid construction really makes it feel more stable overall. I also like knowing it’s CertiPUR-US certified, which gave me peace of mind about the materials being safe and low in VOCs.This mattress has been a hit so far—my guests have commented on how well they’ve slept, and I’ve even snuck in a few naps myself. For the price, quality, and comfort, I think it’s a fantastic value and I wouldn’t hesitate to buy another.
Tyler –
ADIÓS A LOS DOLORES DE ESPALDA
Comfortable and perfect for getting a good night’s sleep after so many hours of work for my husband and me. Our rest deserved a mattress with all these specifications. Since I purchased the Avenco mattress, my quality of sleep has improved noticeably. Its combination of gel-infused memory foam and pocket springs offers a perfect balance between firmness and softness, providing exceptional support for the back and joints. The top gel layer helps maintain a cool temperature throughout the night, which is ideal for those who tend to overheat while sleeping. Additionally, the individual spring structure significantly reduces motion transfer, allowing for uninterrupted rest. Setup was simple: the mattress arrived rolled up and reached its full shape in less than 24 hours, with no unpleasant odors. I can confidently say that this mattress offers excellent value for money and has transformed my nights’ rest. Highly recommended!
Ai Nguyen –
Super Comfortable and Supportive!
This mattress has been amazing so far! It’s the perfect balance of soft and supportive, and I’ve been sleeping much better since switching to it. It expanded quickly after unboxing and had little to no odor. The quality feels premium, and it really does help with back support. Highly recommend for anyone looking for comfort at a reasonable price.
Greg R –
Sweet Dreams Start with Avenco
Upon unboxing this mattress, I anticipated a decent night’s sleep. The setup was straightforward – it expanded adequately on my bed frame. I noted the comfortable feel of the surface. Lying down, the mattress provided a reasonable level of body support. I tend to shift in my sleep, and motion from my partner was less noticeable. This mattress appears to handle motion isolation quite well. I generally wake up feeling rested, which is a welcome improvement. The breathable fabric seems to contribute to a cooler sleep environment. I used to have some trouble settling down, but now I fall asleep with more ease. The edges offer sufficient support, making it easier to sit on the side. This mattress has made a noticeable difference in my sleep experience. It seems to be a product of decent quality that should hold up over time. I am content with my choice of the Avenco Queen Mattress. Each morning, I am prepared to return to it later. It is a reasonable investment for personal comfort.
Jules –
Comfort
The mattress was not easy to unbox and the instructions were not clear on set up. The corners slightly sag and the sides are uneven. I let it expand for 72 hours so that was not the problem. Other than that it is a comfortable mattress. I just don’t see it lasting 10 years as promised.
Leah –
Great kids mattress
Decent mattress for the price. Definitely a kids mattress. Adults sink in when sitting on it. Lying down its comfortable.
RSally –
Amazing Customer Service- Good but flawed for daily use
Edit: the customer support team reached out to me shortly after leaving this review and offered me a gift card or replacement mattress. I opted for a replacement. I sent the support person the link to my previous mattress that I loved and they sent back what they felt were similar options. After checking the reviews I selected one. The shipping was quick and I just unboxed it. But I am updating my review to 5 stars because the customer service was truly top notch. Shoutout to August for being amazing!I really wanted to love this mattress but I’m struggling. I have another Avenco mattress and I LOVE it, unfortunately they don’t seem to sell it anymore so I searched their available mattresses and read reviews and landed on this one.Pros:- Comfort: it is a firm but soft mattress and is really comfortable- Delivery: super easy no issues- Set up: the mattress rose to proper form quickly and there was no funny smellCons:- Soft Edges: the edges are so soft I feel like I’m going to roll off. I even spun the mattress hoping for a different result and it was the same. If my large dog lays on the edge it feels like we could both roll off at any point- Holes/Soft Spots: there are soft spots/holes in the mattress almost like some padding or something was not distributed properly.All of this said, if it wasn’t a daily use mattress it would be a good investment but for daily use it isn’t my favorite. I have to get just in the right spot to be comfortable. Thank goodness it was inexpensive or I would be much more upset