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Overview

Englander plush: classic spinal support, modern build quality.

The Englander O'Conner Luxury Plush Box Top Mattress is a plush innerspring mattress built for side sleepers and combination sleepers. It pairs a quality comfort system with a responsive support core for nightly support that doesn't pack down. At 16.5", it sits in the premium profile range — generous enough for adjustable bases yet still easy to sheet.

Best for
  • Side sleepers wanting cushioned shoulders
  • Average-weight sleepers (130–200 lb)
  • Sleepers with joint pain
Not ideal for
  • Strict stomach sleepers
  • Heavier sleepers (over 250 lb)
  • Sleepers who run very hot on plush foam
Reinforced edge support

A foam-encased perimeter lets you use the full sleep surface — and sit on the edge to dress.

Slept-cool comfort layer

A breathable quilt and gel-infused top draws heat away so you don't wake up hot.

Generous 14"+ profile

A tall comfort and support stack means more contour up top and stronger lumbar push-back below.

Free white-glove delivery

We deliver, set up in your bedroom, and haul away your old mattress — no extra charge.

Firmness

Engineered for plush comfort.

A 3/10 firmness — soft enough to cradle hips and shoulders. Best for side sleepers under 200 lb.

3/10
SoftMediumFirm
Back sleeperGood fit
Side sleeperGreat fit
Stomach sleeperTry a firmer model
Materials

4 layers, working together.

Built for adaptive support and breathability. Every layer is hand-checked before it ships from our warehouse.

  1. L01
    Quilted comfort top
    A plush quilt that softens the surface feel.
  2. L02
    Comfort foam layers
    Soft-and-medium foam plies that cushion the coil response.
  3. L03
    Pocketed (or offset) coils
    A spring unit that delivers responsive support and breathability.
  4. L04
    Foam-encased perimeter
    A reinforced edge that lets you use the full surface and sit on the side.
Specifications

The details.

Height
16.5"
Firmness
Plush
Materials
Innerspring
Sizes
Queen, King, CA King, Twin, Twin XL, Full
Trial
120 nights
Brand
Englander
Details

About this mattress

Englander O’Conner Luxury Plush Box Top 16.5" Mattress

The O’Conner Luxury Plush Box Top combines Englander’s most advanced cooling technology with deep plush cushioning in a commanding 16.5-inch profile. The Glacier Phase Change Cover, 3° Cooling Coils, and Copper Memory Foam work together to prevent the heat buildup that typically accompanies plush mattresses. The box top construction adds a deep comfort layer for maximum pressure relief.

Advanced Cooling Meets Plush Comfort

Plush mattresses trap more heat because thicker comfort layers insulate the body. The O’Conner solves this with three cooling technologies: the Glacier Phase Change Cover actively absorbs excess heat, the 3° Cooling Coils dissipate heat through the mattress core, and copper memory foam conducts warmth away from the body. The plush box top provides approximately 3/10 firmness — deep, enveloping cushioning that cradles the body. Englander Elite Edge technology maintains edge stability on this tall, soft mattress.

Construction

  • Glacier Phase Change Cover — Active thermal regulation
  • Plush Box Top — Deep cushioning layer for maximum pressure relief
  • Copper Memory Foam — Cooling + antimicrobial in a plush configuration
  • 3° Cooling Coils — Heat dissipation through the mattress core
  • Thousands of Fabric-Wrapped Springs — Individual response + motion isolation
  • Englander Elite Edge — Premium edge stability on a plush mattress

Who the O’Conner Plush Is Best For

Hot side sleepers who want luxury plush — the O’Conner is one of the few plush mattresses that genuinely manages temperature. Couples who want deep comfort with motion isolation. Sleepers who found the Everest Plush comfortable but want even more advanced cooling.

Available Sizes

Twin, Twin XL, Full, Queen ($2,299), King, CA King. Free delivery. Visit a showroom or call (800) 218-3578.

FAQ

Common questions

Is delivery free on the Englander O'Conner Luxury Plush Box Top 16.5" Mattress?

Yes — free white-glove delivery anywhere in Los Angeles on orders over $499, including setup and free haul-away of your old mattress. Order by 4pm for same-day delivery.

What if the Englander O'Conner Luxury Plush Box Top 16.5" Mattress isn't comfortable?

You have our 120-night comfort exchange. Sleep on it for at least 30 nights, and if it isn't right, exchange it for another mattress — we handle the pickup and redelivery.

Can I finance this mattress?

Yes — 0% APR financing through Synchrony on approved credit, plus Acima lease-to-own with no credit needed. Most applicants are approved in minutes at checkout or in any showroom.

Can I try the Englander O'Conner Luxury Plush Box Top 16.5" Mattress in person?

Yes — our Los Angeles showrooms in Koreatown, West LA, La Brea, Studio City, and Glendale carry our lineup on the floor. Walk-ins welcome, no appointment needed.

Customer reviews