Serta iComfort Hybrid Blue Fusion 500 Extra Firm Mattress "flag_quickship" No matter their sleep style

No matter their sleep style or position

Don’t settle for anything less than all-white down — pure

Dense JOY cotton batting

25” x 16”) or King (33

Core: Solid

Serta iComfort Hybrid Blue Fusion 500 Extra Firm Mattress "flag_quickship" No matter their sleep styleSerta iComfort Hybrid Blue Fusion 500 Extra Firm When firm isnt quite enough, the Serta Fusion 500 can be had in this extra firm comfort level the firmest mattress in the Fusion lineup. It combines TempActiv Gel Memory Foam with a thick layer of Deep Reaction Max Memory Foam for cooling comfort and serious support. It is topped with soft TempActiv Balance Fabric for high performance heat and moisture regulation. Hybrid Support Coil System TempActiv