Casper Wave and the new Purple mattresses — Purple 2, 3, and 4 — are luxury options from popular bed-in-a-box brands. This post will compare these different options so you can determine which brand can best meet your needs.
- Both have responsive sleeping surfaces.
- Both can be suitable for side sleepers or any other sleeping position.
- Both use proprietary materials.
- Both offer 100-day trials.
- Both offer free shipping.
- Prices overlap, but some softer versions of the new Purple mattress run more expensive ($1,299 to $3,499 for the new Purple; $1,095 to $2,395 for Casper Wave).
- Thicknesses overlap, but softer versions of the new Purple run thicker. (Purple is 11″ to 13″ thick; Casper Wave is 11.5″ thick.)
- The new Purple has a coil system.
- The new Purple has options that are softer than Casper Wave.
- The new Purple has multiple firmness options.
- Casper Wave uses memory foam.
- Casper uses CertiPUR-US certified foams. This certification means these materials are considered more eco-friendly than typical mattress materials.
New Purple Construction
- The thickness of these mattresses varies. Purple 2 is the thinnest and firmest at 11″ thick. Purple 3 is softer and an inch thicker. Purple 4 is the softest of the three new options and is 13″ thick.
- On top of each version of the new Purple mattress is a layer of Purple’s proprietary Smart Comfort Grid. This hyper-elastic polymer is supportive until you put enough pressure onto it to soften it. Purple 2 has 2″ of this material; Purple 3 has 3″; and Purple 4 has 4″.
- In all versions, half an inch of transition foam separates the gel grid from the coil system beneath.
- The coil system contains 7.5″ of individually wrapped coils. These coils are made with a durable material and offer great support.
- A polyfoam outer shell provides reinforced edge support.
- The base later is comprised of an inch of foundational foam.
Casper Wave Construction
- On top is 1″ of proprietary “Flo Foam,” a soft material made to relieve pressure.
- The second layer is 1.5″ of latex foam. This layer provides some bounce and response.
- The middle layer is 1.5″ of fast-responding, visco-elastic memory foam, which contributes to the Wave’s springiness.
- The transition layer that comes next is formed by 1.5″ of high-resiliency foam with a polymer network. This layer works with the base layer to provide zoned support.
- The base is 5.5″ of support foam with contour cuts to create Casper Wave’s zoned support system.
- Casper Wave is wrapped in a thick, soft, durable cover.
- Both have responsive surfaces.
- Both conform to contours, but the Wave works better for side sleepers who weigh less.
- The new Purple has coils.
- The new Purple is sturdier and provides better support for people who are heavier.
- Purple 3 and 4 are softer than Casper Wave.
- The Wave offers zoned support, meaning it has different levels of firmness in different sections of the mattress.
Purple 4, the softest new Purple mattress option, is the most comparable to Casper Wave. Both Casper Wave and Purple 4 are responsive and relatively soft. Purple 2 and 3 are firmer.
Motion Transfer Differences
Both the Casper Wave and all firmness levels of the new Purple mattress isolate motion well. All options are good for couples. That said, I would give the slight advantage in this case to the Wave.
Pick The New Purple If …
- You are heavier. The new Purple has springs, making it sturdier and more supportive. If you get the Purple 3 or 4, which are the softer options, you will be able to sleep on your side more comfortably because you won’t press all the way through the contour-conforming top layer.
- You want something softer. Purple 3 and 4 are softer than Casper Wave.
Pick Casper Wave If …
- You are combination sleeper. Casper Wave has zoned support, which makes it good for all sleep positions.
- You want a traditional foam feel. Casper Wave uses memory foam and generally has a more traditional foam mattress feel than the new Purple.
Casper Wave and the new Purple have a similar feel. Both are on the softer end of the spectrum while also remaining responsive and springy. But the two differ in construction, and each option is better suited to different types of sleepers. Hopefully this comparison has helped you determine which brand gives you the better option. Please leave any specific questions about Casper Wave or the new Purple in the comments.
Joe Auer is the editor of Mattress Clarity. He mainly focuses on mattress reviews and oversees the content across the site.
He likes things simple and take a straightforward, objective approach to his reviews. Joe has personally tested nearly 250 mattresses and always recommends people do their research before buying a new bed. He has been testing mattresses for over 5 years now, so he knows a thing or two when it comes to mattress selection. He has been cited as an authority in the industry by a number of large publications.
Joe has an undergraduate degree from Wake Forest University and an MBA from Columbia University.
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