Casper Wave and Purple are both all-foam mattresses designed to be both responsive and supportive. This post will go over the differences between the two models so you can determine which better meets your needs.
- Both have responsive surfaces.
- Both can be suitable for all three sleeping positions (back, stomach, and side).
- Both offer 100-day trials.
- Both offer free shipping.
- Both should be able to handle heavier-weight sleepers.
- Purple costs less ($699 to $1,299 for the original Purple; $1,095 to $2,395 for Casper Wave).
- Purple is thinner. (Purple is 9.5″ thick, while Casper Wave is 11.5″ thick.)
- Purple uses a proprietary gel material that is both supportive and pressure-relieving at the same time.
- Casper Wave uses memory foam.
- Casper Wave has more layers overall.
- Casper Wave is softer.
Casper Wave Construction
- Casper Wave has a thick, soft, durable cover.
- The top layer is 1″ of proprietary “Flo Foam,” a soft material made to relieve pressure.
- Next is a 1.5″ layer of latex foam, which provides support.
- The middle layer is 1.5″ of fast-responding, visco-elastic memory foam. This layer contributes to the Wave’s springiness.
- Next up is a transition layer made up of 1.5″ of high-resiliency foam with a polymer network.
- The base is 5.5″ of support foam with contour cuts to create zoned support.
- The original model from Purple has just three layers.
- The cover is a breathable blend of viscose, polyester, and polyester-lycra.
- The top layer contains 2″ of hyper-elastic polymer. This unique material gives the mattress its particular bounciness, pressure relief, and coolness.
- Next is a 3.5″ layer of relatively dense polyurethane foam.
- The base is 4″ of dense polyurethane foam.
- Both have responsive surfaces.
- Both conform to contours, but the Wave works better for side sleepers who weigh less.
- The Wave has more layers.
- The Wave is softer.
- The Wave offers zoned support, meaning it has different levels of firmness in different sections of the mattress.
- Purple has a more temperature-neutral surface.
Both are responsive to pressure, but the Wave is softer and has more of an airy feel. The Purple gel material is both firm and pressure-relieving at the same time.
Motion Transfer Differences
Both absorb and isolate motion well. In this particular case, I would give the Casper Wave a slight advantage.
Pick Casper Wave If …
- You are lightweight and sleep on your side. Casper Wave is softer than the original Purple and will conform better to contours for people who weigh less. The Purple may feel too firm for people below a certain weight, especially those who sleep on their side.
- You need more support. The Wave is thicker and is zoned to support different parts of your body in different ways.
Pick Purple If …
- You are on a budget. Purple costs less, so if you can’t decide then it at least gives you the opportunity to save some money.
- You are concerned about sleeping hot. Purple has a completely temperature-neutral sleeping surface. It’s not that you will sleep cool with this mattress; rather, the sleeping surface will just be temperature-neutral.
These two mattresses both offer a unique combination of responsiveness and supportiveness, but each is better suited to different types of sleepers. Hopefully this comparison helped you determine which you might prefer. Please leave specific questions about the two models 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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