Mlily PowerCool Firm Sleep System

Experience the Mlily PowerCool Firm Sleep System at The Mattress Clinic in Oklahoma City, OK — a uniquely engineered hybrid and cooling-base system designed for sleepers who need stronger support, firmer comfort, and top-tier temperature regulation. Built with dense ventilated foams, a 7-zone support coil system, and a fan-powered adjustable base that pushes air directly through the mattress, this system is ideal for back and stomach sleepers who run warm at night. If you’d like clarity on which firmness best supports your alignment and comfort goals, optional insight from APRN-CNP Quynh Boerner is available to help you compare models — supportive and never clinical.

Key Features & Construction

The Mlily PowerCool Firm Sleep System uses a firmer version of Mlily’s ventilated comfort foams paired with a reinforced zoned coil system for dependable structural support.

Key features include:

• Firm comfort level

• Cooling performance knit cover

• Ventilated AdaptiFoam® (dense, highly responsive)

• Ventilated bamboo charcoal memory foam

• Firm CoolFlex™ transitional foam

• 7-Zone individually wrapped pocketed coil system

• Foam-encased perimeter for stronger edge support

• Flex Support base foam

• Approx. 11.5" mattress height

• Smooth-top design

• Integrated cooling-base system with directional airflow

Cooling & Temperature Control

The PowerCool Sleep System offers one of the most advanced cooling combinations available:

• Cooling knit mattress cover

• Ventilated foams engineered to release heat

• Coil system that naturally circulates air

• Fan-powered adjustable base that pushes cool air through ventilation cutouts in the bottom of the mattress

• Active airflow helps reduce trapped heat and humidity throughout the night

This makes the Firm model a strong match for hot sleepers who also need a more supportive feel.

Support & Durability

The firmer design of the PowerCool Firm Sleep System enhances support and alignment:

• 7-zone coil layout reinforces the lumbar region

• Dense transition foams reduce sink and increase lift

• High-density base foam adds long-term structural reliability

• Reinforced edge support maximizes usable space

• Hybrid construction provides balanced lift and stability

This system is well-suited for sleepers who need a stronger support profile without sacrificing cooling.

Motion Cancellation Performance — Elite

This model earns an Elite motion cancellation rating thanks to:

• High-density, ventilated foams that absorb motion

• Individually wrapped coils that minimize transfer

• Cooling base that reduces frame-level vibrations

Perfect for couples or light sleepers who want a quiet, undisturbed night.

Pressure Relief

Even as a firm mattress, the PowerCool Firm Sleep System offers effective pressure reduction through:

• Ventilated bamboo charcoal memory foam

• Dense, responsive foams that distribute weight evenly

• Zoned support coils that reduce pressure on hips and shoulders

This provides firm comfort without harsh pressure points.

Spinal Alignment

The PowerCool Firm supports healthy spinal alignment by:

• Providing firmer lift needed for stomach and back sleepers

• Reinforcing the lumbar zone through 7-zone coils

• Preventing midsection sink with high-density transition foams

• Maintaining a supportive, stable sleeping surface

Ideal for sleepers who require more structure and alignment accuracy.

Adjustable Base Compatibility

Designed specifically to pair with the Mlily PowerCool adjustable base:

• Circular ventilation ports align with the base-mounted fans

• Articulates smoothly in all adjustable positions

• Maintains full support and comfort whether flat or elevated

This mattress is specifically engineered to function as part of the PowerCool Sleep System.

Who This Mattress Is Best For

• Back and stomach sleepers

• Sleepers who prefer a firm, supportive surface

• Hot sleepers needing maximum cooling performance

• Couples needing Elite motion isolation

• Sleepers needing zoned lumbar reinforcement

• Oklahoma City shoppers seeking a premium cooling hybrid system

Mattress Size Guide

Why Try This Mattress at The Mattress Clinic?

At The Mattress Clinic in Oklahoma City, you can test the Mlily PowerCool Firm Sleep System in person and experience both the firmness and the active cooling airflow firsthand. If you'd like guidance comparing the Medium vs Firm version, optional insight from APRN-CNP Quynh Boerner is available — supportive, easy to understand, and never clinical.

Visit Us In-Store

Visit our Oklahoma City, OK location to experience the Mlily PowerCool Firm Sleep System. Explore its cooling capabilities, firmer support, and advanced construction to determine if it’s the ideal sleep system for you.

365 Night Sleep Great or Exchange Guarantee

180 Night Low Price Promise

Return Policy 

365 Night Sleep Great or Exchange Guarantee

A new mattress is like a new pair of shoes—it takes time for the new materials and your body to adjust to each other. And with the wrong socks (bedding), you could end up hating the correct shoes for you. Typically, it takes about 35–40 days for a mattress to start performing at its best if you use the proper bedding. After this “break-in period,” if you feel a different mattress style might work better, you may exchange your mattress up to 365 days from the purchase date. Using our bedding products with our mattresses ensures that the bedding isn’t causing any issues and that it is, in fact, the mattress that’s the problem. This is why you need a protector & pillow from us to receive the Exchange Guarantee.

These policies constitute the “365 Night Sleep Great or Exchange Guarantee” 
A $199 or 10% Exchange Fee (whichever is greater) applies to all reselections. This fee covers delivery for swapping the mattresses up to 20 miles from the store. The Mattress Clinic will allow a one-time re-selection ONLY after the 35-day adjustment or “break-in” period (Tempur-Latex 40-days). You have 365 days from the purchased date to exchange your mattress. You may select a mattress of equal or greater value of the same size. If you select a sleep surface of greater value, you will be responsible for the difference in price. If a reselection is of lesser value, no refund will be given. The original mattress purchase must include a mattress protector and pillow purchased before the mattress is received. The mattress surrendered must be stain free and odor free. We are unable to exchange stained, unsanitary, odor damaged (smoke/pets etc.), or damaged (ripped, burns, etc) mattresses under the Exchange Guarantee. Products must have been used only for their intended purpose. This includes using the product on an appropriate base, frame, or foundation.

Please take your time in your reselection choice; only ONE comfort exchange is allowed per customer. keep all receipts and original tags on your mattress. The Exchange Guarantee will be voided if you remove the original tag from the mattress or lose your proof of purchase. 
 
Reselections are not allowed for issues regarding mattress size or height. Bedding accessories such as pillows, protectors, sheets, adjustable bases, bedding foundation or furniture, are not eligible for exchanges. Reselections are not valid on “special sizes” (California King, split Queen, Etc.), custom orders, clearance merchandise, floor models or warranty exchanges. Your mattress reselection will be sold at “normal” sale price. Any discounts/gifts given with your original purchase of mattress, sheet set(s), mattress protector(s), pillow, and/or non-purchased gift cards will be added to the exchange fee. This means if you receive a discount/gift with your mattress and/or qualifying items and want to exchange it for the same mattress but a different feel, you are to pay the difference of the discount(s)/gift given, the exchange fee, plus any price increases made since your purchase (if increased). Your re-selection must be the same size as your original mattress purchase, Example: Queen for Queen. 

180 Night Low Price Promise
Subject to the following terms, we will match any advertised price of the same product. Within 180 days of purchase, bring the advertisement to a Mattress Clinic store, and we will credit your account or give you a refund check for the price difference. Our 180 Night Low Price Promise does not apply to clearance items, floor models, vendor rollbacks/rebates, special purchases, promotional items, doorbusters, discontinued merchandise. Merchandise offered for sale on auction sites (i.e., eBay, Craigslist, Facebook, etc.) or by Closeout/Overstock/Bulk dealers (e.g., Costco, Sams Club, Overstock.com, The Dump, Wayfair.com, Amazon.com) is excluded from the 180 Night Low Price Guarantee.

Return Policy

All sales are final. There are no "return of payment(s)" on items purchased after delivered or picked up. If wish to cancel before receiving the merchandise, there will be a 15% restocking fee.

Additional Information:
MATTRESS CLINIC IS NOT RESPONSIBLE FOR LOADING, TIE DOWN, OR SECURING PRODUCT IN PERSONAL VEHICLES. WHEN LOADING VEHICLE IF DAMAGE(S) OCCUR TO PRODUCT OR VEHICLE, THE CUSTOMER IS HELD RESPONSIBLE. All purchases made prior to October 14th, 2025, at 10:00 AM CST will be governed by the rules and regulations that were in play at the time you purchased. See store for details regarding purchases made before 10/14/2025.

Please contact Customer Care with any questions. Any situations/sales/or deals made that are not explained or mentioned above will be handled by the owner as he sees fit.

365 Night Sleep Great or Exchange Guarantee

180 Night Low Price Promise

Return Policy 

365 Night Sleep Great or Exchange Guarantee

A new mattress is like a new pair of shoes—it takes time for the new materials and your body to adjust to each other. And with the wrong socks (bedding), you could end up hating the correct shoes for you. Typically, it takes about 35–40 days for a mattress to start performing at its best if you use the proper bedding. After this “break-in period,” if you feel a different mattress style might work better, you may exchange your mattress up to 365 days from the purchase date. Using our bedding products with our mattresses ensures that the bedding isn’t causing any issues and that it is, in fact, the mattress that’s the problem. This is why you need a protector & pillow from us to receive the Exchange Guarantee.

These policies constitute the “365 Night Sleep Great or Exchange Guarantee” 
A $199 or 10% Exchange Fee (whichever is greater) applies to all reselections. This fee covers delivery for swapping the mattresses up to 20 miles from the store. The Mattress Clinic will allow a one-time re-selection ONLY after the 35-day adjustment or “break-in” period (Tempur-Latex 40-days). You have 365 days from the purchased date to exchange your mattress. You may select a mattress of equal or greater value of the same size. If you select a sleep surface of greater value, you will be responsible for the difference in price. If a reselection is of lesser value, no refund will be given. The original mattress purchase must include a mattress protector and pillow purchased before the mattress is received. The mattress surrendered must be stain free and odor free. We are unable to exchange stained, unsanitary, odor damaged (smoke/pets etc.), or damaged (ripped, burns, etc) mattresses under the Exchange Guarantee. Products must have been used only for their intended purpose. This includes using the product on an appropriate base, frame, or foundation.

Please take your time in your reselection choice; only ONE comfort exchange is allowed per customer. keep all receipts and original tags on your mattress. The Exchange Guarantee will be voided if you remove the original tag from the mattress or lose your proof of purchase. 
 
Reselections are not allowed for issues regarding mattress size or height. Bedding accessories such as pillows, protectors, sheets, adjustable bases, bedding foundation or furniture, are not eligible for exchanges. Reselections are not valid on “special sizes” (California King, split Queen, Etc.), custom orders, clearance merchandise, floor models or warranty exchanges. Your mattress reselection will be sold at “normal” sale price. Any discounts/gifts given with your original purchase of mattress, sheet set(s), mattress protector(s), pillow, and/or non-purchased gift cards will be added to the exchange fee. This means if you receive a discount/gift with your mattress and/or qualifying items and want to exchange it for the same mattress but a different feel, you are to pay the difference of the discount(s)/gift given, the exchange fee, plus any price increases made since your purchase (if increased). Your re-selection must be the same size as your original mattress purchase, Example: Queen for Queen. 

180 Night Low Price Promise
Subject to the following terms, we will match any advertised price of the same product. Within 180 days of purchase, bring the advertisement to a Mattress Clinic store, and we will credit your account or give you a refund check for the price difference. Our 180 Night Low Price Promise does not apply to clearance items, floor models, vendor rollbacks/rebates, special purchases, promotional items, doorbusters, discontinued merchandise. Merchandise offered for sale on auction sites (i.e., eBay, Craigslist, Facebook, etc.) or by Closeout/Overstock/Bulk dealers (e.g., Costco, Sams Club, Overstock.com, The Dump, Wayfair.com, Amazon.com) is excluded from the 180 Night Low Price Guarantee.

Return Policy

All sales are final. There are no "return of payment(s)" on items purchased after delivered or picked up. If wish to cancel before receiving the merchandise, there will be a 15% restocking fee.

Additional Information:
MATTRESS CLINIC IS NOT RESPONSIBLE FOR LOADING, TIE DOWN, OR SECURING PRODUCT IN PERSONAL VEHICLES. WHEN LOADING VEHICLE IF DAMAGE(S) OCCUR TO PRODUCT OR VEHICLE, THE CUSTOMER IS HELD RESPONSIBLE. All purchases made prior to October 14th, 2025, at 10:00 AM CST will be governed by the rules and regulations that were in play at the time you purchased. See store for details regarding purchases made before 10/14/2025.

Please contact Customer Care with any questions. Any situations/sales/or deals made that are not explained or mentioned above will be handled by the owner as he sees fit.