Beautyrest Black Hybrid XCS Series Three Firm Mattress Bedding size:Twin XL Series Four Medium is best

Series Four Medium is best for combination sleepers who want balanced cooling comfort

and cooling performance within the Beautyrest Black collection

Experience unparalleled comfort and customizable support from the dual layers of cozy pillow top foam

Reinforced Edge Support

offering both aesthetic appeal and foundational stability for a truly restful night

Beautyrest Black Hybrid XCS Series Three Firm Mattress Bedding size:Twin XL Series Four Medium is bestBeautyrest Black Hybrid XCS Series Three Firm Mattress is a premium cooling hybrid mattress with BlackICE Max Cooling Technology, ContourCover Design, and Triple Stranded Pocketed Coil support. Series Three Firm is best for back and stomach sleepers who want firm cooling support. 30% more cooling power, deep contouring pressure relief, and advanced motion separation. BlackICE Max Cooling Technology provides 30% more cooling power. FORM HD Material