What are the thickest memory foam mattresses on the market?

The GravityLux is an 10 in all-foam mattress with responsive AirCell memory foam, zoned progression foam, and a high-density Atlas core for support. It offers strong pressure relief, low motion transfer, and temperature-regulating features, suited to side, back, and combo sleepers and couples.

The Glacier Apex is a 14 in hybrid mattress with multiple cooling technologies (copper, graphite, gel foams, ventilated foam) and a pocketed coil base for airflow and support. It offers medium-firm feel and is designed for sleepers who want strong cooling, pressure relief, and low motion transfer.

The Puffy Cloud is a 10 in all-foam mattress with responsive memory foam comfort layers over a firm support core, aimed at back and side sleepers who want pressure relief and strong motion isolation. It suits couples and lighter-to-average-weight sleepers seeking a medium feel with cooling foam for better temperature regulation.

A 14 in memory-foam-focused mattress with copper-infused memory foam, zoned transitional layers, and a GlacioTex cooling cover. It suits side sleepers (especially 130-230 lbs), couples who need motion isolation, and people who want strong pressure relief.

The Saatva Contour5 is a 12.25 in all-foam memory foam mattress with seven layers including a phase change material lumbar zone, gel-infused memory foam, and a high-density support base. It comes in Medium or Firm options and targets sleepers who want strong body contouring, pressure relief, and cooling features while prioritizing motion isolation.

The DreamCloud Luxe Memory Foam is an all-foam, euro-top mattress with contouring memory foam and cooling materials designed for pressure relief and reduced motion transfer. It suits side and back sleepers who want a plush, contouring feel with good motion isolation and built-in cooling features.

The Nectar Ultra is a 15 in all-foam mattress with a very thick comfort layer for strong pressure relief and zoned support; it sleeps cooler than typical memory foam and isolates motion well, making it suited for side sleepers, couples, and those who want strong contouring. Best for sleepers who prioritize pressure relief and cooling with a medium feel.