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Shop award-winning twin xl size foam mattresses for great sleep, at an even greater price.
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A Twin XL size mattress is 80 inches long and 38 inches wide.
Twin Mattress - 38" x 75"
Often found in kid's rooms and studio apartments.
Twin XL Mattress - 38" x 80"
Often found in college dorm rooms and studio apartments
Full Mattress - 53" x 75"
Often found in guest rooms.
Queen Mattress - 60" x 80"
Often found in master bedrooms.
King Mattress - 76" x 80"
Often found in extra large master bedrooms.
California King Mattress - 72" x 84"
Often found in extra large master bedrooms, perfect for gathering the family.
Casper's Twin XL foam mattresses delivers cloud-like softness and support you’ll never want to go without. At 38 in wide and 80 in long, it’s 5 in longer than a standard Twin. You can combine two Twin XL mattresses on a standard King-size bed frame.
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The Original Twin XL mattress is built from breathable, open-cell memory foam that allows excess heat to escape. Staying cool at night is essential for deep, rejuvenating sleep - and it’s made possible with the premium-quality, proprietary Casper foam.
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our Casper Twin XL size mattress is manufactured from safe, non-toxic materials. All of our foams are CertiPUR-US® certified, meaning they’re made without ozone depleting chemicals and regulated by the Consumer Product Safety Commission Low VOC.
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Order your Twin XL mattress, and it’ll be on your doorstep within a few days. Try sleeping on it for up to 100 nights. If you don’t love it, and give you a full refund anytime after the 30-Night Adjustment Period.
The Wave Hybrid combines the powers of springs, gel and memory foam for the supreme dream state. The five layers give you the most support using innersprings for added lift, and foam and gel for Hyper-Targeted support to provide contouring spine alignment.
Our Nova Hybrid features a luxuriously soft top layer making it our most comforting mattress. It features hundreds of resilient springs, added lift, airflow, and a bit of bounce to have you sleeping in the clouds.
Our award winning Original mattress, upgraded. The Original Hybrid combines the best of both worlds with resilient springs as the base for added lift and our proprietary foam for pressure relief. The "just right" feel is now even better.
Our award winning Original bed was engineered using feedback and data from customers like you. If sleeping on a cloud sounds good, consider this your sweet spot.
When Casper was founded in 2014, many people were skeptical. Would consumers really buy a standard king size mattress without testing it first? Several years and numerous awards later, we have an answer: It turns out no one likes visiting stuffy mattress showrooms to make high-stakes purchases under the scrutiny of needy salespeople. (Who knew??)
Everyone loves the ease and convenience of buying online from a trusted source, and having a high-quality mattress shipped in a box to their doorstep. And people keep spreading the word that our mattresses deliver unparalleled comfort and support, top-notch construction quality, and high-tech, innovative design.
But the Casper experience isn’t just about quality, trust, and transparency. Our mattresses are a mere fraction of other brands’ prices. That’s because we’ve flipped the mattress industry on its head. By eliminating showrooms and middlemen, we keep our costs low - and pass those savings on directly to you.
Sandra Pearson
Lynchburg, VA
Bryanna Kunkel
Port Hueneme, California
Scott
London, ON
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