XL Mattress Topper

An XL Mattress Topper can help you personalize your sleep setup and create a more comfortable place to rest. Explore options for different mattress sizes, sleep preferences and bedroom styles, then find the topper that fits your needs.

Sort & Filter

Sleepy's 3" Gel Memory Foam Mattress Topper

398

Starting at

$149⁹⁹

Medium Comfort,

Temperature

Tempur-Pedic TEMPUR-Adapt + Cooling Mattress Topper

4657

Starting at

$339⁰⁰

Medium Comfort,

Temperature
Allergies

Sleepy's 4" Reversible Gel Memory Foam Topper

Starting at

$139⁹⁹

$199⁹⁹

$60 OFF

Medium Comfort,

Temperature
Allergies

Tulo Gel Memory Foam Zoned Support Mattress Topper

122

Starting at

$77⁹⁹

$114⁹⁹

$37 OFF

Medium Comfort,

Temperature

An XL mattress topper is an easy way to refresh the comfort of an extra-long mattress without replacing the entire bed. Most shoppers searching for an XL mattress topper are looking for a Twin XL topper, which measures approximately 38 inches wide by 80 inches long and is commonly used in college dorm rooms, guest rooms and adjustable bed setups. Choose a topper that matches your mattress dimensions for a secure fit, and look for a deep-pocket or elasticized cover if your mattress already has a thick profile. A two- to three-inch topper can add noticeable cushioning, while a four-inch option provides more pressure relief and a deeper comfort feel for side sleepers or anyone with a firm mattress. The best XL mattress topper depends on your preferred sleep position, body type and comfort needs. Memory foam and TEMPUR-Material™ toppers can help contour to the body and relieve pressure around the shoulders, hips and back, while latex toppers offer a more responsive feel and steady airflow. Cooling gel foam, breathable covers and moisture-wicking fabrics may help create a more comfortable sleep environment for hot sleepers. Before choosing a Twin XL mattress topper, confirm the topper’s thickness, materials, washability and compatibility with your fitted sheets. A properly sized topper can help extend the life of your mattress, fine-tune its firmness and make your sleep space feel more comfortable night after night.

What is an XL mattress topper? + -

An XL mattress topper is a removable comfort layer designed to rest on top of a mattress. Toppers are available in materials such as memory foam, latex and fiber fill, with different thicknesses and feels.

What materials are used in mattress toppers? + -

Common mattress topper materials include memory foam, latex, cotton, down alternative and polyester fiber fill. Each material has a distinct feel, appearance and care process.

How thick should a mattress topper be? + -

Mattress toppers are available in a range of thicknesses. A thinner topper provides a more subtle layer, while a thicker option creates a more substantial change to the surface feel.

How do you care for a mattress topper? + -

Care instructions vary by material and design. Check the manufacturer's label before cleaning, use a removable cover when available and allow the topper to air out according to the product instructions.

What is the difference between a mattress topper and a mattress pad? + -

A mattress topper is generally thicker and designed to add a distinct comfort layer to a mattress. A mattress pad is typically thinner and often focuses on providing a protective, washable layer.