Description
The Lumen is the answer for people who love the hug of memory foam but wake up hot. The cover is woven with phase-change material that absorbs body heat when you first lie down and releases it slowly through the night, so the surface feels noticeably cool to the touch. Under it, a 3-inch copper-infused memory foam layer conducts heat away from the body, followed by a 3-inch ventilated transition foam and an 8-inch high-density core.
At 14 inches tall this is a deep, luxurious-feeling mattress with a medium 5 out of 10 firmness. It suits side and back sleepers and couples who want strong motion isolation. Edge support is moderate. Because the mattress is thick and heavy (92 lb in queen), we recommend deep-pocket sheets of at least 16 inches.
- Firmness: 5/10 (medium)
- Height: 14 inches
- Cooling: phase-change cover, copper-infused memory foam, ventilated transition layer
- Certifications: CertiPUR-US foams, OEKO-TEX Standard 100 cover
- Weight limit: 300 lb per sleeper
- Best for: hot sleepers, side sleepers, couples
- Adjustable base compatible
- Trial: 100 nights
- Warranty: 20 years
- Made in: USA
- Delivery: compressed box, or white-glove delivery with in-home setup for $199
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