Firmness & Sleep position


  • Firm
  • Medium
  • Soft
  • Ultra firm
  • Ultra soft
Medium Graphic

Sleeping position

  • Back and Front
  • Multiple
  • Side
Multiple Graphic


The Serta Spectrum 8″ is a Medium Firm Mattress, the comfort you expect of a Serta Mattress conveniently packaged and designed for easy transport. Available in a spectrum of comforts for all sleepers. Now available at Sleep Shop.

This mattress has a breathable cover for the right temperature, for the right comfort. Cool Twist® Gel Memory Foam designed for pressure relieving. Cooling gel is infused directly into a breathable form designed to promote air flow and heat dissipation.

SertaPure® Foam Core will be supporting you, one night at a time.

Available in Twin, Twin XL, Double, Queen, and King.

Looking for more information, but not sure where to start? Simply contact one of our sleep experts, or browse through our other mattresses. In addition, you can take our Sleep Quiz to find the best mattress and sleep accessories based on your needs.

Need a new mattress but can’t get to our store? Sleep Shop provides contact-free shipping right to your door, porch, driveway or garage without requiring a signature, because your safety is our number one priority. Don’t snooze on this deal!

Discover Serta Comfort-in-a-box

You’ve heard of the mattress in a box, but have you heard of Comfort in a Box? This is the perfect option for those who want convenience, but aren’t willing to sacrifice on comfort.

Imagine all that commitment and innovation rolled up into an ultra convenient ultra comfortable package – that’s Comfort in a Box.

With a breathable knit cover and premium gel-infused memory foam, it will keep you cool, supported and comfortable as you drift off into dreamland.

Read more

Product Specs & Features

  • 8″ profile
  • Breathable Cover
  • 2″ Cool Twist® Gel Memory Foam
  • Comfort Cooling Gel
  • 6″ SertaPure® Foam Core Support
  • CertiPUR-US Foam
  • Designed & Built in Canada
  • Adjustable friendly


  • Twin: 8″H x 39″W x 74″L
  • Twin Extra Long: 8″H x 39″W x 80″L
  • Double: 8″H x 54″W x 74″L
  • Queen: 8″H x 60″W x 80″L
  • King: 8″H x 78″ x 80″L

Comfort exchange

As your sleep experts, we want to ensure your mattress is as comfortable and supportive as possible for years to come which is why we offer a 30-day comfort trial with your purchase. If you’re not fully satisfied with your selection, simply arrange to come back in-store within 30 days to choose a new mattress at an equal or greater value, hassle free. Contact us for details.

We allow one exchange per customer. A minimum $65 fee for delivery is applicable for the exchange.


We strive to make the process of purchasing a new mattress as smooth as possible. If you purchase a mattress set valued over $499, we’ll deliver it absolutely free of charge. In addition to our store locations, we also deliver to Burnaby, Delta, Coquitlam, Surrey, White Rock, Maple Ridge and Mission. For a fee we can arrange delivery to Squamish, Whistler, and Chilliwack. Contact us for details. Better yet, if you purchase any bed frame from us along with your new mattress set, we’ll also install it for you at no charge. Before you know it, you’ll be having the sleep of your dreams.

Reviews (1)

1 review for Serta Spectrum 8″ Med Firm Mattress

  1. 5 out of 5


    Serta is a well known mattress company, so I was interested to come into the store to try this Spectrum medium softness mattress. When I purchased it in store and picked it up, it arrived vacuum packed in a box, a bit of a push to move around but I managed to handle it OK.

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Serta Spectrum 8″ Med Firm Mattress

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