King Koil Otto Ultra Firm

Better Sleep. Better Environment. The Otto Ultra Firm mattress is covered with EverJean post-consumer recycled denim — this is the shell for what is to come. It also gives us our signature look and is extremely durable.

What’s Inside? Nature. Our mission is to deliver you a better night’s rest while helping our planet. Good for you means good for nature, which is why we use several eco-friendly materials such as plant based foams, biodegradable steel coils and natural latex.

Ultra Firm Mattress-Layered with exclusive foams and Superior materials to give you the perfect support you need.
King Koil mattresses are for people who are ready to invest into a better quality of sleep and to better the planet for future generations.

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

get it Delivery date contingent on available inventory

Add it

Multiple Colors

DreamFit Pima Cotton Sheets

from $129.99

get it Delivery date contingent on available inventory

Add it

subtotal:

$1,999.99

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

get it Delivery date contingent on available inventory

Primo Rapid Foundation

from $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

Ultra Firm Mattress-Layered with exclusive foams and Superior materials to give you the perfect support you need.

Key Feature

Eco-friendly and sustainable materials.

Ready for Your Best Night’s Sleep?

TAILORMADE TUFTING™

RE-SPUN DENIM

NEW ZEALAND JOMA® WOOL

2 LAYERS OF SUSTAIN™ MEMORY FOAM

768 QUADCOIL SYSTEM

Mattress is adjustable friendly - works well on motion bases.

Mattress Height (Approx.) 12”

10 Year Warranty

TAILORMADE TUFTING™

  • years of consistent support
  • handcrafted comfort
  • extends the life of the mattress

RE-SPUN DENIM

  • post consumer recycled denim
  • shredded denim fibers are re-spun into new yarns for fabric

NEW ZEALAND JOMA® WOOL

  • moisture wicking & regulates heat
  • hypoallergenic
  • superior loft

2 LAYERS OF SUSTAIN™ MEMORY FOAM

  • regulates heat
  • pressure relieving comfort
  • made with plant based polyol

768 QUADCOIL SYSTEM

  • glue-free encased steel coils 
  • 100% recyclable
  • QuadCoil design eliminates leaning for a more consistent feel

RE-SPUN DENIUM UPHOLSTERED BOTTOM

  • post consumer recycled denim
  • shredded denim fibers are re-spun into new yarns for fabric

Approx. 

Twin 38" x 75" x 12"

Twin XL 38" x 80" x 12"

Full 54" x 75" x 12"

Queen 60" x 80" x 12"

King 76" x 80" x 12"

CA King 72" x 84" x 12"

What Customers Are Saying