Constantino Firm

1 review


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Wake up refreshed after sleeping on the Constantino XF. Get the firmness you love, while getting the support you need. Its cover is quilted memory to help provide an additional layer of instant comfort while giving the mattress a very unique feel. This model includes wrapped coils that allows the mattress to contour to your whole body and reduce motion transfer. Welcome to a great night”s sleep.

– 1791 Encased Coils

– Zoned Center Support

– Dual Foam Encasement

– Two Phase Edge Control

– Ventilated Foam Encasement

Width Length Height Weight
Twin 38" 75"
Twin XL 38" 80"
Full 53" 75"
Queen 60" 80"
King 76" 80"
Cal King 72" 84"

Find the Mattress Right for YOU

Don’t guess which is right for you. Get it right the first time. Take our virtual smartMATCH quiz to find mattress recommendations designed for your body’s unique needs.


Kingsdown mattresses are exquisitely handcrafted and scientifically designed to deliver a personalized sleep experience for healthy, life-changing sleep.


smartmatch mattress diagnostic system


This mattress is made specifically to work with the smartMATCH diagnostic system and crafted to meet scientifically-calculated levels of support.

Width Length Height Weight
Twin 38" 75" 15"
Twin XL 38" 80" 15"
Full 53" 75" 15"
Queen 60" 80" 15"
King 76" 80" 15"
Cal King 72" 84" 15"


How Does the Constantino Firm Feel?

This is a Medium Firm mattress — Universally comfortable for most sleeping positions and great for couples with different comfort preferences. A medium firm feeling mattress is fully supportive with the perfect amount of pressure-relieving comfort.


Comfort Features


Kingsdown High Tech Cover Icon

High Tech Cover

Featuring NASA developed Phase Change Material, this cover will help regulate body temperature.

Kingsdown Quilted Memory Foam Icon

Quilted Memory Foam

Conforms to your body, supports your back, and prevents tossing and turning at night.

kingsdown hybrid technology

Hybrid Technology

Combining coils and high tech memory foam gives you the best of both worlds; traditional support with a modern feel.

Support Features

1. 1791 Encased Coils

This high coil count innerspring unit features individually wrapped coils to contour the body and provide personalized support to both sleep partners.

2. Zoned Center Support

Made of three unique zones, the enhanced center support provides firm lumbar support exactly the body needs it most.

3. Dual Foam Encasement

High-density foam encases the coil unit along the sides and down the center providing built-in motion separation and a 100% usable edge-to-edge sleeping surface with no “roll-out” feeling.

kingsdown cutaway

4. Two Phase Edge Control

Strong perimeter coils along all four sides of the bed works in tandem with the dual foam encasement to deliver edge support that’s in a class of its own.

5. Ventilated Foam Encasement

Airflow technology promotes air circulation and breath-ability.

1 review for Constantino Firm

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  1. Irene

    This mattress is so comfortable!!! After a month of sleeping on it, my shoulder and lower back pain is completely gone! I was a little nervous about buying such a pricey mattress online before trying it but the sales person on the chat helped me pick out one that worked best for me. She even sent me a quiz. I didn’t feel comfortable going into a store because of the virus. I was really surprised how easy the delivery and buying process was. Very satisfied.