Instruction: Answer the given question by extracting information from the supporting document.

Input:
Question: How does the weight of this pillow compare to non-foam pillows?
Document: It is smaller then I expected and very light in weight compare to the pillows I am used to. If you are like me and like to sleep on stomach with arm(s) under the pillow - this shape, size and weight simply don't feel right.Side and back sleepers: Both side and back positions do provide an excellent support.
Pillow is a little &#34;hard&#34; until you wear it in a bit. It also isn't as &#34;cooled&#34; as a non-foam pillow. It still does not detract or take away from the quality of the product. I've been using mine for a few months now. It has held up, and not become flat like other pillows.
This pillow is pretty amazing. The only reason I knocked a star off is the fact that, at first, it can be a little uncomfortable just because the pillow is so thick. But, it is memory foam, so once you lay down for a while your head makes a little indent and everything is fine. I don't know that it's cooler than my old down or down alternative pillows, and i've never owned a memory foam pillow before so I can't really compare.
Not sure about any sort of cooling ability at all with this pillow. When I compare it to my other memory foam pillows I dont notice any difference. Also there is this little thick round border around each side of the pillow that is really bothersome. Not sure why they would put it on there as it is not comfortable against your skin at all. Overall it is ok. I like the pillow design better than the S curve ones but there is no cooling function and the little boarder thing is terrible.
Love this pillow.Little firmer then my old one, which is much better for me. This is nearly double the weight and thickness of most department store memory foam pillows.
I have purchased memory foam pillows and toppers in the past. The thing I noticed about this pillow is it's weight or density. Memory foam does get softer over time so I'm happy with how this one starts out. All measurements checked out so that's a plus. The cover appears to be of high quality and is as described. I am very pleased with this purchase and would highly recommend it to any side sleeper.
'Sleep Better Iso-Cool Memory Foam Pillow'Let's just de-construct that title...1. 'Sleep Better'? - a little bit compared to other pillows, but not significantly or consistently. It has a good weight to it.2. 'Iso-Cool'? -  it's certainly cooler than a down-filled or fibre-filled pillow, but it's misleading to call it 'cool'. There is no chemical or electrical process here so there's no where the energy can come from to provide continued cooling.
I am a side sleeper and I have a very hard time finding pillows that are comfortable for me. Feather pillows collapse under the weight of my head and become hard, and most fiber-filled pillows work for a while (a month or two) and then they become too flat to be useful. I've also tried memory foam pillows and they also feel too firm and hard, and I don't like the fact that they really don't seem to breathe well.This pillow is very different.
This pillow is really interesting. I noticed that my regular pillow got really hot during the night and I would have to flip it multiple times to get comfortable. I decided to try this one out. It does indeed stay cooler. It provides a lot of support too, even moreso than memory foam pillows that I've tried. One downside is the weight. This thing weighs 4 lbs (measured it on a scale). That might not seem like a lot, but it really is.
These pillows are too hard for me to sleep on and extremely heavy in weight. They also have a slight smell to them. I am still using them because I think they help in as much as keeping their shape and the way they support your neck. I will probably purchase pillows with more memory foam, on the softer side.
Answer: Without having a scale to test it, I'd venture a guess that this is at least 3x heavier. It is a noticeable difference. But you don't notice it while using it.I definitely wouldn't want to get clocked in the face in a pillow fight with this.