About This DESIGNED FOR ALL SLEEPERS: Medium feel and Zoned Support align your spine and provide firmer foam under hips, waist, and lower back for targeted comfort and all-night support PREVENTS OVERHEATING ALL NIGHT: Unlike traditional memory foam Casper's breathable open-cell Flex Foam keeps air flowing so you can stay sleeping cool ADVANCED MOTION ISOLATION: Layers of premium foam and encased coils absorb motion transfer, giving you uninterrupted rest- even if your partner moves throughout the night DECADE OF DURABILITY: Casper mattresses use premium foams that prevent sinking and sagging, keeping your bed comfy and supportive year after year WORRY-FREE PURCHASE: 100-night risk-free trial with support from the Casper customer service team, CertiPUR-US certified, hassle-free returns, reliable 10-year limited warranty, and financing with Affirm up to 24 months 0% APR Overview Brand : Casper Size : Twin XL Product Dimensions : 80"L x 38"W x 11"Th Top Style : Tight Top Cover Material : Vinyl or Faux Suede Number of Layers : 4 Fill Material : hybrid Weight Limit : 1000 Pounds Special Feature : Breathable, Durable, Low Motion Transfer, Orthopedic, Pressure Relief, Temperature Regulating Color : Light Gray Item Weight 57 Pounds : Item Firmness Description Medium : Item Weight 57 Pounds : Item Firmness Description Medium