Aug 31, 2018 - Key Differences. Purple costs less ($699 to $1,299 for the original Purple; $1,095 to $2,395 for Casper Wave). ... (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.
2 days ago - The Lowdown: Casper knows not everyone is a fan of memory foam, which is why it turned its Wave mattress into a hybrid. Featuring supportive 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