The Stearns & Foster® 14” Plush Rockwell Lux Hybrid Mattress, Twin XL is designed to deliver supreme, indulging comfort. Crafted by certified master craftsmen with the world’s finest materials, plus IntelliCoil® to deliver the perfect level of support. It sets the bar for any premium mattress. The Rockwell collection by Stearns & Fosters offers a supreme and indulging comfort with its breathable and supportive layers. Product Details: • Quilt Layer - A stretch-knit covering features Tencel, a sustainably sourced fiber used in athletic wear, designed to wick away moisture and keep you comfortable. • Comfort Layer - A supportive layer that features Premium Gel Memory Foam crafted to adapt to your body and relieve pressure for all-night support. • IntelliCoil® - Our patented coil-within-coil design allows sleepers of all body types to find their perfect level of support. • Precision Edge - A high-density coil border provides durable edge support to ensure your mattress holds its shape. • Air Vent System - Ventilated coil system works with external air vents to increase breathability and promote cool, comfortable, deep slumber throughout the night. Dimensions: • 38”W x 79”D x 14”H