Knox - Plush | Perfect Sleeper X | Serta

Overview

Knox is a 13.75 inches Level One Quilted Hybrid mattress with a Plush feel. It combines pressure-relieving comfort with PerfectPure™ Fiber, graphite-infused Perfect Conform™ memory foam, and Cool Twist® gel technologies. The targeted support design helps promote balanced support and comfortable sleep.

What’s Inside the Mattress

Here’s how this mattress is built, from the sleep surface down to the support base:

• PerfectPure™ Fiber: Thickness not specified
• Serta® PillowSoft® HD Foam: 1.25 inches
• PillowSoft® Aire: 1 inch
• CushionGel™ Foam: 1.5 inches
• Perfect Conform™ Graphite Memory Foam: 1 inch
• Serta® Support Foam: 1 inch
• 5 ZoneActive™ Hybrid Design: 8 inches
• Support Foam: 1 inch

Key Features

• Feel: Plush
• Level: Level One
• Mattress Height: 13.75 inches
• Cooling: PerfectPure™ Fiber, graphite-infused Perfect Conform™ memory foam, and Cool Twist® gel technologies.
• Support: 5 ZoneActive™ Hybrid Design with Q4™ Support System
• Adjustable Base Compatible: Yes

Warranty and Delivery

Backed by Serta’s 10-year limited warranty. Estimated Perrysburg Mattress delivery is 1–2 weeks.