Casper Sleep Nova Hybrid Mattress, King nathan-james Twin over full that has

Twin over full that has horizontal rails

Unique combination for maximum cooling

The headboard height adjusts in two-inch increments

Tiny channels in the foam circulate air out and away

Casper Sleep Nova Hybrid Mattress, King nathan-james Twin over full that hasBrand: Casper Color: Light Gray Features: General Note: Please allow 24 to 72 hours for your Mattress to regain its full shape. Any memory foam will expand faster in a warmer room. In cold temperature, at delivery, your mattress may take a bit longer to return to full sized from its compressed state. The expansion time of the mattress will vary as per the surrounding. Zoned SupportTM Pro: Seven zones of targeted support for healthy spinal alignment.