not available
Tom's Guide's best cooling mattress and Sleep Foundation's pick for back pain: a 14-inch zoned hybrid in three firmnesses that shed heat fastest in Tom's Guide's lab. But Tom's Guide found weak edges and noticeable motion transfer, so it's hesitant to recommend it to couples, and Sleep Foundation's testers found it less cooling than Tom's Guide did.
Top complaints
- Weak edges
Tom's Guide gave it the lowest edge score on its list (2.5/5), noting a 'hammock' dip at the foot. Sleep Foundation rated edge support higher (7.5/10).
Source: Tom's Guide, Sleep Foundation - Motion transfer
Tom's Guide found that changing position caused a lot of motion transfer (3.2/5) and is reluctant to recommend it for bed-sharing. Sleep Foundation says coil bounce can cause some motion transfer, especially on the firm model.
- Softer models and very tall build
Sleep Foundation says softer models lack support for back and stomach sleepers over 230 lb, and the 14-inch height may need deep-pocket sheets. It also says heat can still collect in and around the foam.
What owners love
- Sheds heat fast
Tom's Guide gave it its only 5/5 for temperature on that list, with the fastest heat-shedding rate it recorded.
Source: Tom's Guide - Pressure relief with lumbar zoning
Tom's Guide scored pressure relief 4.6/5 and found the medium firmness well balanced for every position. Sleep Foundation names it best for back pain (a tester rating, not a medical claim).
Source: Tom's Guide, Sleep Foundation - Year-long trial, lifetime warranty
Bear's parent 3Z Brands now offers a 365-night trial (Tom's Guide); Sleep Foundation describes a lifetime warranty and full refund with pickup on returns.
- You share the bed with a restless partner
- You sit or sleep on the edge
- You don't want to buy deep-pocket sheets
- Very hot sleepers and night sweats
- Choosing among soft, medium or firm
- Active people who like a hotel-bed feel
Scores (tap for why)
What experts say
- Tom's Guide: Best cooling (updated 2026-05-23): temperature 5, pressure relief 4.6, motion 3.2, edge 2.5; not great for couples.
- Sleep Foundation: Best for back pain (updated 2026-09-30, 8.5/10): edge 7.5, temperature 7, motion 7, durability 7.5.