10 Best Costco Mattress Toppers of 2025

Main Highlights

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  Experience the ultimate in comfort, support, and value with the Select High Density mattress topper from Viscosoft. Crafted with superior memory foam that boasts a density of over 3 lbs (per cubic foot), this topper has been recognized for enhancing sleep quality and outlasting lighter-weight options. It delivers a medium-firm feel, making it ideal for those looking to elevate the support and comfort of their existing mattress.
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  This topper is excellent for those dealing with chronic pain as it has superior pressure point relief, provides spinal alignment, and increases circulation. Packed with innovative features, this mattress topper's blend of quality and value is available with two, three or four inches of high-density, memory foam.
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  Cool and Comfortable Sleep - Body temperature plays a crucial role in overall sleep comfort. Engineered with breathable, gel-infused memory foam, this topper draws heat away from the body and optimizes airflow, ensuring you stay cool throughout the night.
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  No Hassle Satisfaction - Proudly headquartered in Charlotte, NC, Viscosoft backs its premium toppers with a 60-Day No Hassle Guarantee, ensuring quality you can trust. If it doesn't meet your expectations, return it hassle-free for a full reimbursement.
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  Uniform Design - Each Select High Density topper is crafted from a single block of foam, ensuring consistent support and durability. Unlike other options that use concave designswhere foam is scooped out, creating dips that reduce overall support and stabilityour topper offers true craftsmanship and long-lasting comfort for all sleep positions. Some toppers are designed like this to make them look appealing but these methods compromise quality and under-perform for certain sleep styles.
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  Integrity to the Edge - The high-density foam offers unmatched edge support, making it easy to get in and out of bed without any sinking or instability. Unlike other toppers, our foam prevents that dreaded "dumped" feeling when sitting on the edge, ensuring consistent support across the entire mattress.
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  Reliable Comfort - Count on this topper to provide a consistently restful sleep experience for years to come. Whether you use it every night for the next five years or store it for several months, expect the foam to deliver the same quality sleep as the day it arrived. The resilient foam maintains a flat surface, preventing valleys, indentations, and compressions, so you can enjoy perfectly supportive sleep every night.
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  Clean, Secure Fit - The rayon cover features a stylish, slip-resistant bottom and adjustable elastic straps, providing a secure fit. These thoughtful features eliminate the need for constant adjustments that interrupt sleep and make your bed look messy. Plus, the cover is removable and machine-washable, allowing you to maintain a consistently clean sleep environment while adding a protective layer against dirt and dust. Best of all, the cover arrives already fitted to the foam.
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  Diverse Size Selection - As a leader in mattress toppers, Viscosoft offers products in a variety of sizes to enhance comfort in as many beds as possible. Along with options that perfectly fit all standard bed sizes, the Twin XL is ideal for college dorms and split king beds, the Queen Short is designed for RVs and campers, and the Full XL accommodates evolving campus needs and futons. This selection underscores our commitment to delivering a better way to great sleep to as many as possible.