Serta Perfect Sleeper Best Day Medium Firm King Size Mattress - Premium Support for Back & Side Sleepers | Ideal for Master Bedrooms & Guest Rooms

Featuring an 825-coil density system, this supportive mattress offers zoned comfort and pressure relief where you need it—with upgrades available with more cooling layers and support.

• PillowSoft® Aire Soft foam provides enhanced cushioning for exceptional comfort and promotes airflow through its unique, gently rippling design

• Gel Band Support Gel memory foam lumbar support band provides support for the lower back and hips

• Custom Support Coil System This 825-coil density system provides contouring, cradling support and minimizes motion transfer

• Anti-Microbial Technology - Our anti-microbial mattress technology will keep your mattress fresh and clean from odor causing bacteria

• Proudly 100% USA assembled

• Compatible with most frames, platforms and adjustable bases

• We only use foam that is Certi-PUR certified