Name: Microdenier Topper
SKU: 4B1141_parent
Availability: InStock

Microdenier Topper – Soft, Durable & Hypoallergenic

The Microdenier Topper by 45th Street Bedding is expertly designed for long-lasting durability without compromising on superior comfort. Generously filled with microdenier, an ultra-fine, lightweight synthetic fiber, this topper delivers exceptional softness and warmth that rivals traditional down—without the allergens.

Encased in a 100% breathable cotton shell, this topper is hypoallergenic, making it an excellent choice for those with sensitive skin or seasonal allergies. Unlike down or feather bedding, the microdenier fill resists clumping, ensuring consistent comfort and support night after night.

An added convenience? This topper is machine washable and dryer friendly, offering an easy, low-maintenance solution for keeping your sleep environment fresh. Regular washing helps minimize allergens like dust mites, so you can enjoy a cleaner, healthier night’s rest.

Suggested: complete your down alternative bedding ensemble with our Microdenier Comforter and Microfiber Pillow.

Details

Ultra-soft microdenier fill – Lightweight, plush, and warm
Hypoallergenic & dust mite resistant – Ideal for allergy sufferers
Breathable 100% cotton shell – Enhances airflow for comfort
No clumping – Maintains an even, cozy feel
Machine washable & dryer friendly – Easy maintenance for long-term freshness
Budget-friendly alternative to down – All the comfort, none of the hassle

Specifications

Brand: 45th Street Bedding
Material / Collection: Microfiber
Product type: Mattress Topper / Product color: White
Materials: 100% Cotton encasement – 233 Thread count | 100% 3D Microdenier Fill – 500g/m² fill power
Sizes: Twin XL, Full, Queen, King, Cal King

Size Guide

Twin XL

80″L x 39″W x 1.75″D
Fill: 500g/m²

Full

75″L x 54″W x 1.75″D
Fill: 500g/m²

Queen

80″L x 60″W x 1.75″D
Fill: 500g/m²

King

80″L x 76″W x 1.75″D
Fill: 500g/m²

Cal King

84″L x 72″W x 1.75″D
Fill: 500g/m²

Care Instructions

Machine wash in cold water on delicate cycle, preferably with a mild, biodegradable detergent. Tumble dry, low to no heat.

Mattress Toppers

Immediate Results

Toppers can be the quickest and easiest way to alter or rejuvenate the surface feel of your mattress. Get immediate comfort and relief by simply adding a plush botanical latex for wool topper.

Keeps Mattress Clean

Toppers shield your sleep surface from everyday wear, dirt and dust, so you can keep your mattress cover clean. Toppers can be used in conjunction with any mattress encasement, protector or pad an additional layer of protection.

Increases Mattress Lifespan

Toppers can relieve premature sagging and impressions, reducing everyday wear and tear, so you can enjoy your mattress longer. This can save you money and the hassle of having to purchase another mattress too soon.

Last Call items are discontinued styles available in limited quantities. Orders may be shipped or picked up at our North Seattle Warehouse & Delivery location. These items will not be restocked once sold out.

Note: Mattresses and bedding items can be shipped to all 50 states, as well as U.S. Territories, Alaska and Hawaii. Furniture and home accent items such as; art, lighting, recliners, sofas, and other casegoods are available for warehouse pick-up, or home delivery to Washington addresses only.

Dimensions	N/A
Brand	45th Street Bedding
Size	TwinXL, Full, Queen, King, Cal King
Collection	Microfiber/Microdenier
Fiber Content	Microfiber
Customer Preferences	Hypoallergenic, Machine Washable

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Born in the Pacific Northwest, 45th Street Bedding (Bedroom & More's sister company), launched in 2009 to meet a need for high-quality, long-lasting mattresses and bedding products with exceptional value. Our brand believes everybody deserves to sleep comfortably on clean products that promote deep rest and won't compromise their health, no matter what their budget is.

Designed in Seattle utilizing sustainable and responsibly-sourced natural and organic materials, our mattresses and bedding collections are simply better for your health and the planet than synthetic alternatives. Ignore the stories of ‘magical mattress materials.’ That’s just flashy marketing speak. 45th Street Bedding delivers high-quality products to give you the best night’s sleep we can.

Please refer to each product listing for specific care instructions. If you still have questions, please feel free to call or email us and we'll gladly help answer any additional inquiries you may have.

Enjoy flat rate, nationwide shipping on 45th Street Bedding furniture when you buy one or more items.

Dixon Collection

Terrance Collection

Tisch Collection

Bedding: 10 year non-prorated / Furniture: 10 year limited Mattresses: Rest easy with 15-year non-prorated manufacturer warranty includes defects such as 1 & 1/2″ measurable impressions when measured against surrounding areas. Warranty begins the day your mattress is delivered and applies to the original purchaser. Note: the consumer is responsible for transportation costs for warranty repairs.