Serta iComfort Pro Portsmouth Euro Top Firm 14.5"

The Serta iComfort Pro Portsmouth is a 14.5-inch firm Euro top built on True Response Latex, latex foam made from rubber tree sap, with a five-zone design and a CoolFeel Pro cover, assembled in Canada, with a 10-year warranty. It is the firm latex bed with a cushioned Euro top: support underneath, a softer first touch than the Northampton.

What is inside the Serta iComfort Pro Portsmouth

• 14.5 inches, Euro top, firm feel.
• Quilt (the top layers you lie on): CoolFeel™ Pro fabric, Serta® anti-microbial fibre, Serta® Pillo-Fill, 1 inch of PillowSoft® foam, 1/2 inch of Serta® support foam.
• Comfort layers, top to bottom: 1 inch of graphite-infused True Response™ latex foam, 1 inch of True Response™ latex foam, inner panel, 1 inch of True Response™ latex foam, 1 inch of graphite-infused True Response™ latex foam, 2 inches of Serta® support foam.
• Support: 7 inches of foam core (all foam, no coils).
• True Response Latex Foam, 100% naturally derived from rubber tree sap, with no fillers.
• Latex is naturally resistant to dust, mould, mildew and bacteria.
• CertiPUR-US certified foams. Assembled in Canada.
• Adjustable-base compatible. 10-year limited warranty from Serta.
• Twin XL, Queen and King.

Specifications: layer build from Serta's 2026 dealer spec sheet for the Portsmouth, checked November 2026.

Who the Serta iComfort Pro Portsmouth suits

The Serta iComfort Pro Portsmouth is a good fit for back and stomach sleepers who want firm support with a refined, cushioned surface, couples, hot sleepers, and people who want natural materials. Side sleepers usually want the Surrey.

How the Serta iComfort Pro Portsmouth compares

The Northampton is the firm latex tight top without the Euro top. The Surrey is the same Euro top build in plush. The Beautyrest Centennial Ares is the other firm latex-topped bed on the floor, on coils. Serta's Canadian lines, from the entry up: Perfect Day (boxed, 800 StablEdge coils), Classic, Perfect Sleeper (three-zone coils, Cool Twist gel foam), PerfectComfort X (five-zone coils with micro coils and graphite memory foam), and the all-foam iComfort and latex iComfort Pro.

The price

Save 25 to 70% on premium mattresses: the price above is per mattress, as of November 2026, and the live price on this page is the one you pay. Foundations and frames are sold separately.

Practical

• Platform, slats no more than 3 inches apart, or a box spring; adjustable bases: yes.
• Tall bed: deep-pocket sheets fit best.
• One-sided; rotate head to foot every few months.
• Keep the receipt and the law label for the warranty.

Questions we get asked about the Serta iComfort Pro Portsmouth

Who is the Serta iComfort Pro Portsmouth best for?

Back and stomach sleepers who want firm support with a refined, cushioned surface, couples, hot sleepers, and people who want natural materials. Side sleepers usually want the Surrey.

Is the Serta iComfort Pro Portsmouth a good mattress?

Yes. The Serta iComfort Pro Portsmouth is a 14.5-inch firm euro top latex bed: True Response latex foam, naturally derived from rubber tree sap, CertiPUR-US certified foams, assembled in Canada, with a 10-year limited warranty. We sell it at 25 to 70% below regular retail, nobody here works on commission, and you're welcome to lie on it in the store before you decide.

What is a Euro top on a latex bed?

A comfort layer sewn flush with the edge, so the surface is cushioned but even and the edge holds. Here the layer is latex, so it springs back rather than packing down.

Is it good for back pain?

Firm with five support zones suits back and stomach sleepers; the Euro top keeps it from feeling hard.

Is latex natural?

True Response Latex is 100% naturally derived from rubber tree sap with no fillers, per Serta.

What is the difference from the Northampton?

Same latex and zones; the Portsmouth adds a Euro top and two inches of height.

Try it in the store

Lie on it for ten minutes the way you actually sleep. We are at 101-44703 Yale Road in Chilliwack, open 10 am to 6 pm every day, and nobody here works on commission. For what the words tight top, pillow top, euro top and hybrid mean, read mattress types explained; for firm, medium and plush, mattress firmness explained. For the whole Serta range side by side, read our Serta lineup; this bed is in our pillow top mattresses collection, and if you're still weighing a pillow top against a euro top, our pillow top vs euro top page sorts it out. We deliver across the Fraser Valley on Sundays; the rates are on our delivery page.