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The three ergonomic zones of the Casper Wave Hybrid Mattress, Full are designed to provide spinal alignment and support. The first zone is softer under the shoulders, allowing the shoulders to sink in and relax. The second zone is firmer around the hips and waist, providing support for the lower back. The third zone is also firmer and located under the lower back, helping to keep the spine in a neutral position.
This answer was generated by AI based on customer and product data.
