Harmony Lux's comfort technology is out to set the bar for other brands. A channeled design introduced with RightTemp Wave Foam improves air flow, and its use of carbon fiber enhances support and conducts heat away from the surface, allowing you to sleep cooler.

Beautyrest partnered with the leader in ocean cleanup, Seaqual, to produce a unique quilt that's made of claimed and repurposed ocean plastics. It's used on every Harmony Lux mattress, helping move towards a cleaner, more comfortable world.

The new T2 Coil System represents a serious step up for Beautyrest. This coil system has a strong, supportive feel achieved by combining two coils into one. This design also makes it one of the most conforming coil systems on the market, and by using it in the center third of the bed it adds support where you most need it.

The HLC-1000 features a full foam encased edge support that creates a consistent comfort from edge to edge of the mattress. It makes the edge sturdier to sit on and protects the coil system.

The non-prorated 10 year warranty tells you this mattress is made to be comfortable and supportive for at least a decade.

The HLC-1000 Extra Firm is one of the best mid-range mattresses on the market these days if you want an extra firm comfort level. Beautyrest's commitment to a better world along with stepping up their quality and components has led them to create one of the best mattresses available at this price point.