Featuring select materials that are up to 70% sustainable, the icomforteco supportive mattress offers a hybrid construction with a classic, quilted-top feel-with upgrades available for even more cooling, comfort, and pressure relief. Firm pillowtop - extra support for stomach and back sleepers with plushness at the mattress surface. Cooltemp cover powered by repreve. This cool-to-the-touch, breathable cover is made with recycled plastic bottles. Terra fusion memory foam. Foam made from 30% plant-based material that provides pressure relief and reduced motion transfer for uninterrupted sleep. 1000 series 5-zone quad coil support system - made with 85% recycled steel, provides targeted pressure relief and support for your back and thighs-and cradles you everywhere else. Recycled fiber base - compressed recycled fiber provides a supportive base under the mattress core. 100% usa assembled, certipur-us certified, powered by repreve Designed and built in usa Mattress Top Type: Tight Top Mattress Type: Gel Memory Foam, Memory Foam Included: 1 Mattress(es), 1 Box Spring(s) Features: Breathable, Cooling, Foam Layer, Antimicrobial, Temperature Regulating, Cooling Layer, Cushioning Layer Additional Information: Suitable for Adjustable Bed Frames, Relieves Pressure Points, Conforms To Body, Eliminates Motion Transfer Manufacturer Warranty: 10 Year Bed Size: Twin Xl Maximum Weight Limit: 1000 Lbs Base Material: 100% Foam Comfort Type: Firm Mattress + Box Spring Measurements: 40 Width/Inches, 25 Depth/Inches, 79.5 Length/Inches Care: Spot Clean Certifications And Listings: Certipur-Us Certified 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.