Serta Luxe Edition Chamblee Firm Tight Top The Chamblee Luxe Edition features advanced bedding technology exclusive to Serta. Layers of memory foam compliment the 825 Edition Support® Coil System, maximizing both comfort and support. A combination of cutting-edge memory foams including PillowSoft® Aire, Serta® Support Foam, Cool Twist® Gel Memory Foam, BestEdge® Foam Encasement, and HyperTouch® Comfort create a unique sleeping experience sure to improve your sleep quality. Features: FreshFeel Fiber FreshFeel Fiber is an FR fiber with moisture-wicking and anti-microbial properties. HyperTouch® Comfort system HyperTouch® Comfort system comfortably cradles your body from head to toe for better pressure point relief. PillowSoft® Aire PillowSoft® Aire is an ultra-soft foam that provides enhanced cushioning for exceptional comfort. Cool Twist® Gel Memory Foam Cool Twist® Gel Memory Foam is designed to gently conform to the body and works with the entire mattress system to help provide pressure-relieving comfort, along with an additional comfort layer of Serta's® Balanced Support Foam. 825 Edition Custom Support® Coil System 825 Edition Custom Support® Coil System with Serta's advanced BestEdge® Foam Encasement system is designed with an extra-deep foam rail to help reduce edge roll-off and extend the sleep surface. Mattress Top Type: Tight Top Mattress Type: Innerspring Included: 1 Mattress(es), 1 Box Spring(s) Features: Cooling, Cushioning Layer, Cooling Layer, Foam Layer, Wrapped Coils Additional Information: Eliminates Motion Transfer, Suitable for Adjustable Bed Frames, Relieves Pressure Points, Conforms To Body Coil Count: 465 Coils Manufacturer Warranty: 10 Year Bed Size: Twin Base Material: 60% Metal, 40% Polyethylene Comfort Type: Firm Mattress + Box Spring Measurements: 21.5 Depth/Inches, 38 Width/Inches, 74 Length/Inches Care: Spot Clean Certifications And Listings: Cpsc - 16 Cfr 1633 Compliant, Cpsc - 16 Cfr 1632 Compliant Country of Origin: Made in US Visit our Furniture & Mattress Customer Care Center for delivery options, protection plans and other services. Problem with an order or need help with a return? Our Furniture & Mattress Customer Service agents will be happy to help. Give us a call at 1-800-442-7902 Don’t forget to print off your delivery checklist to avoid any delays or issues when delivering your item. Set includes mattress plus box spring/foundation. King and Cal. King mattress sets feature 2-piece side-by-side foundations for easier navigation in tight spaces. This mattress meets the requirements of 16CFR Part 1632 (federal flammability (open flame) standard for mattresses and mattress pads This mattress meets the requirements of 16CFR Part 1633 (federal flammability (open flame) standard for mattress sets) when used with foundation