solid, but forms to you, very comfortable.

Too soft to be called medium firm. Edges of mattress are very soft. Not cool at all.

We have had this mattress less than 3 Months and it already has dents where we sleep. The one side never even rose all the way full so there is a slant Off the side

We ordered 2 Twin XL mattresses. Boxes claim to be Twin XLs but when we opened the boxes and allowed the mattresses to expand they measure as a regular Twin size mattress, 5 inches shorter than a Twin XL. All tags on the mattresses claim to be Twin XL.

Highly recommend for anyone who has never bought a new mattress and is on a budget. We did not want to spend over $1000. I did some research and tried a mattress that we did not see or lay on in person. The reviews did not lie. It is so comfortable. Definitely feels like the higher end hotel beds we have slept on. It arrives in a box. We took it out of the box and placed it on the bed before unwrapping the package. Let it sit for a good 6-8 hours then we slept on it that night. It is a good firmness. Not too hard and not smushy. It is great. My husband overslept after the second night and said it was my fault for buying such a comfortable mattress. I’ll take that as a good thing.

Absolutely awful. The bed itself is so heavy to move. It gives far too much. This review is being written a month after owning it. I usually give a bad time for my body to adjust. It feels like a marshmallow, no support at all. Some may like a hybrid foam, this is not for us. Worst investment we could’ve made.

Ordered the "medium" version first. We are going to return it and exchange for the plush. My wife is a side sleeper, and I am a back sleeper. So, we're trying to find the "middle ground" where we're both comfortable. I will update this review (or post a second review) once we get the Plush version in. That said, the bed is comfortable and seems to be well made. We've been on it about a month now, and while we do like it, the medium is just too firm. We're 5'7"/5'10", and ~130-170 lbs. Hoping the Plush version is softer. That said, I called Sam's club service number. They are having someone come pick up the mattress. This is great customer service. In the meantime, I have ordered the plush. I'm hoping for the best, but also I am purchasing confidently because of the great customer service I just received.

Overall the mattress is nice and comfortable, however it is not a true king size mattress. The specs on the website list it as being 76x80, but it is only 77" long. When I put it in the bed frame I noticed a large gap at each end compared to our old mattress. My feet hang off the end. I guess that's how they offer the Sam's discount by removing 3 inches from every mattress.

This mattress killed my back. Was way too soft (I ordered the medium) and had to return before having it a week. The online return process has been a nightmare! It took 3 weeks for someone to pick it up and they said it will be another 2 weeks before I may possibly see my refund. I will never buy another large item online from Sam's Club again.

Don't waste your time on this mattress. We had two more delivered after the first one was faulty, the first replacement mattress being both the wrong size and the wrong model. Turns out both the first and the third were faulty. Neither expanded to the full 14" height after more than a week of inflate time, both were 70" instead of 75". The return/replacement process is a nightmare. A private shipping company, which was terrible to deal with, was dispatched to our house to collect the mattress. The first replacement mattress was a California King instead of a twin. Unfortunately, we did not figure this out until it had expanded partially on my child's bed and partially on the floor. When I spoke with someone about the issue, I was told that my child could sleep on the california king on the floor while we awaited the pickup and replacement of the extremely too large mattress. It was a true delight to try and get a fully expanded california king out of the room, down the stairs, and outside for the aforementioned terrible shipping company to come and pick it up. While awaiting the pickup and shipment of the appropriate size model my child was completely blocked out of her room by the mattress and forced to sleep elsewhere. After the third and final mattress arrived we set it up and let it sit for longer than the 3 recommended days. It is still just 12" high and 70" long. It does not come anywhere near filling the cover and no sheets will ever fit it. It will be going back. Both of my adult children have had great success with other Sams mattress models, but do not get this one.