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The Nisien King is a 14-inch hybrid mattress that pairs cooling gel memory foam with individually wrapped pocket coils, shipped compressed in a box. It is medium-firm, with reinforced edge foam for a firmer perimeter and a charcoal knit cover meant to move heat out. That puts it in line with other boxed hybrids on construction, but it is thicker than most, which suits heavier sleepers and couples who want a taller bed. Owners rate it well overall, though a few find the feel firmer than expected and note the usual off-gassing and expansion wait after unboxing.
In stockSold by NISIEN USReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.
Owners rate it 4.4 out of 5 across 115 ratings, with most praising support, motion isolation and edge firmness for the money. Complaints center on a firmer-than-expected feel and the unboxing and expansion period.
This is a 14-inch King hybrid mattress that combines cooling gel memory foam with independent pocket coils. The foam is fiberglass-free and CertiPUR-US certified. The cover is a charcoal knit fabric that is breathable and lets air move through the mattress to release heat.
The pocket springs are individually wrapped to reduce motion transfer, so one sleeper is less likely to disturb the other. Reinforced edge foam helps keep the edges from collapsing and preserves the full sleeping surface.
The layered construction has a medium-firm feel. It relieves pressure on the shoulders, hips and waist and supports natural spinal alignment for all sleep positions. The mattress is vacuum compressed and shipped in a box.
