King Koil Keystone Firm Euro Top

The King Koil Signature Keystone Firm Euro Top Mattress is engineered to provide comfort and support for years of restorative sleep.

Featuring greater support with 858 pressure relieving encased coils, a layer of cooling gel memory foam and moisture wicking Tencel™ fibers woven into the sleeping surface. You’ll enjoy the perfect balance of comfort and deep down support.

PureCare Silver five Sided Mattress Protector

from $110.00

get it Delivery date contingent on available inventory

Healthy Sleep Ultra-Tech Advanced Pillow

from $99.00

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Add it

Available In Multiple Colors

DreamFit Pima Cotton Sheets

from $129.99

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Add it

subtotal:

$1,199.99

get it Delivery date contingent on available inventory

Local
Delivery

Local delivery and set up is included for a flat fee of $69.99 within 25 miles of any Sit ‘n Sleep store.

We will also "haul away" your old mattress and box spring upon delivery of your new order: Just let us know!

Next day delivery on available inventory. Not applicable for UPS and FedEx orders. See our COVID-19 page for more information.

120-Night Sleep Trial

Buying a new mattress is not something you do everyday. Our 120-night sleep trial and comfort guarantee means you can rest easy.

10 Year Warranty

You spend a third of your life asleep on your mattress. Shouldn't you at least lay on it first? Come visit one of our 39 store locations and get comfy with your purchase.

Mattress Removal

We will "haul away" your old mattress and box spring upon delivery of your new order: Just let us know if you would like this service.

Add a Base and Frame:

Knickerbocker Promo Frame

from $67.00

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On Sale

Infinity Platform

from $349.99

$299.99

get it Delivery date contingent on available inventory

Sealy Ease 4.0 Adjustable Base

from $899.00

get it Delivery date contingent on available inventory

Have Questions?

We're here to help. Give us a call or visit your local store.

Firm

Key Feature

858 pressure relieving encased coils

Ready for Your Best Night’s Sleep?

Super Stretch Tencel Fabric

  • moisture wicking
  • natural & breathable
  • sustainable

iFusion Gel Memory Foam

  • pressure relieving comfort
  • regulates heat
  • conforms to body’s curves

King Koil Signature HD Firm Foam

  • durable construction
  • cradling comfort

858 Contour Elite Encased Coil System

  • reduces motion disturbance
  • conforms to body’s curves
  • relieves body pressure points

Mattress Height (Approx.) 13”
Mattress is adjustable friendly - works well on motion bases
10 Year Warranty
Proudly designed & built in the USA since 1898

Better rest meets peace of mind in the King Koil Signature collection. Designed to provide a luxurious sleep experience, thoughtful details merge with premium features for optimal comfort and all-night support. The Signature mattress collection utilizes advanced coil technologies to promote better posture alignment while specialty foams regulate temperature and dispel motion for a deeper night’s rest for all.
Approx.
Twin 38" x 75" x 13"
Twin XL 38" x 80" x 13"
Full 54" x 75" x 13"
Queen 60" x 80" x 13"
King 76" x 80" x 13"
CA King 72" x 84" x 13"

What Customers Are Saying