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Expert Recommended Adjustable Base
Expert Recommended Foundation
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Our Experts average 8 years of experience to help you find everything you need to sleep better.
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Comfort, support, and quality—made affordable and easy.
The Casper One Foam Mattress brings back the iconic comfort of Casper’s original design with simple, dependable performance at a value-focused price. Its balanced medium-firm feel combines responsive cushioning with stable support to help reduce pressure on your shoulders, hips, and back. The breathable top layer promotes airflow for cooler sleep, while adaptive foams contour to your shape without trapping heat or losing structure over time. And because it ships as a bed-in-a-box, it’s incredibly easy to get home, carry through tight spaces, and set up—perfect for apartments, guest rooms, students, or anyone who wants a no-stress upgrade.
Best for sleepers who want dependable comfort, cooling relief, and exceptional value in a simple, easy-to-love design.
Comfort Level: Medium Firm
Made In: Imported
Best for: Back, Side, and Combination Sleepers
Mattress Type: All-foam mattress
Adjustable Base Compatible: Yes
Benefits: Breathable comfort, responsive pressure relief, and long-term support
Sustainability: All foams are CertiPUR-US® certified for safety and low emissions
Cover: A soft, breathable surface that enhances comfort from the very first touch.
Comfort Layers: Thoughtfully designed for contouring comfort and everyday support.
Recommended Foundation:
Twin Size: 38" W × 75" L × 11" H
Mattress Height: 11"
Mattress Weight: 48 lbs
10-Year Limited
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