This is a great mattress! The medium feels like a true medium to me; I am a side sleeper and have been really comfortable the past week. The cooling top works well and I can tell I haven't been getting as hot at night. The mattress came rolled really well in a box and inflated to its final size within minutes! I still gave it 2 hours before making the bed per instructions. There was no weird smell to air out. Very easy to set up!

Omgosh! The most comfortable mattress ever! As as 70 yr old i never imagined getting a mattress in a box ..and one that is this superior! My husband and i slept on it the first night and we were both impressed and had a wonderful nights sleep. We will be replacing our current king size mattress with a Helix as this one is in our guest room! Give it a try....you wont be disappointed!

This mattress was super comfortable and did not make me hot like most typical memory foam mattresses. I did not find myself sinking into this memory foam like most others as well. Plenty thick for a nice plush sleep.

This mattress was so easy to set up! I just opened the box and removed the plastic and it got to its normal shape within minutes. It’s very soft but still supportive and doesn’t get too warm when you sleep on it.

I’ve tried other box mattress, this was easy to unwrap and NO weird smell first of all! This mattress is perfect! I do not feel myself much moving at night and it is very comfortable. If you like a firmer feel, this is the mattress for you!

Extremely easy to open and place on the bed frame. Really nice build quality and soft to the touch. Feels cool and has a lot of body support! I'd definitely recommend this to side and face down sleepers for sure.

This is a very comfortable mattress and seems bigger than the standard size. I will definitely be buying another of these for our home as they are really comfortable. Not too hard, not too soft, just right.

Still amazed by a mattress being sold in a box. This mattress is so comfortable and feels like you are sleeping on a cloud. We especially loved the fact that it was easy to open up and get through our doorway.

Our mattress was delivered to our cabin in the Black Hills, delivery and timeliness was perfect. The mattress has a major flaw. One side is firm as ordered, the other side is not firm and collapses/sags when slept on. I will be contacting Sams regarding a return

I recently received a full size Helix Memory Foam Firm mattress. It is nice and comfortable. Perfect for my back issues. Firm enough, but not too firm. Its copper infused memory foam provides the right level of comfort. It doesn’t allow it to get too hot during my hot flashes. It was easily shipped via UPS. It arrived in one large box. All we had to do is remove it out of the box and removed the plastic and let the mattress expand on the box spring. I would highly recommend.