iComfort Blue 300 cutawayICO_Blue300_Woman_webiComfort Deep Reaction FoamiComfort EverCool Fuze FoamiComfort TempActiv FoamICO_Blue300_Room_webiComfort Blue Border DetailICO_BlueLabel_Detail_webSerta_10Yr_Warranty (2)

iComfort Blue 300 (Firm)


By Serta

  • 3/4″ TempActiv™ Gel Memory Foam
  • 1″ EverCool Fuze Gel Memory Foam
  • 1″ Serta Support Foam
  • 1.5″ Deep Reaction Memory Foam
  • 7″ Ultimate Edge Foam Support Core
  • Assembled in the USA
  • 10 Year NPR Warranty
  • Box spring Sold Separately

Foundation Options *

Please select if foundation is needed

Product Description

The Blue 300 firm memory foam mattress by Serta combines the feel of an extra-firm mattress with the benefits of our latest breakthroughs in memory foam technology.

It combines our TempActiv Gel Memory Foam with a layer of EverCool® FuzeMemory Foam for enhanced cooling comfort that also supports every curve of your body.

It also features a layer of Deep Reaction Memory Foam for a substantial, deep-down feel not often found in traditional memory foam.

Additional Information


Cal King, Full, King, Queen, Twin, Twin XL

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Mattress Delivery and Shipping

Local Delivery – Washington/Oregon Only

We provide local delivery around the Western Washington, Northern Oregon, Tri-Cities and Spokane areas. Once we receive your online order please allow 1 business day for processing the order. Once we receive your order, we will call you to set up a delivery date and time. We do not offer same day delivery on online orders.

Mattress Delivery – Nationwide

We ship our mattresses from our local warehouse in Seattle, Washington via LTL freight. We offer “white glove” mattress delivery within the continental U.S.

Please allow 1 business day to process your order. After you place your order, a member of our team will call you to confirm your order and provide a more accurate estimated delivery time. Please allow an extra week to the below time lines for mattresses that are not in stock and must be ordered.

West Coast – approximately 1-2 weeks

Mid West – approximately 2-3 weeks

East Coast – approximately 3-4 weeks

Once the mattress arrives to a processing terminal in your area, you will receive a call to set up the final delivery of your mattress. Your mattress will not be delivered until it is confirmed and schedule with the local delivery service.

If you have any questions about the status of your order please contact Nonstop Delivery with the tracking number (starting with 130) that we provided to you in your shipping confirmation email. If you still have questions please contact our corporate warehouse at (425) 636-8245.

Accessories Shipping

All accessories are shipped via UPS ground from our warehouse in Seattle, Washington. We do not ship to PO BOXES. Please make sure to provide a physical address when placing your order. We do not expedite ship orders at this time. All orders are processed within 1 business day and shipped Monday – Friday. Orders places Friday after 4pm through Sunday will be shipped on Monday, not including any conflicting holidays.