Online Only

Helix Twilight Core Firm Euro Top

GlacioTex™ Pillow Top cover.

Boxspring: None

subtotal:

$1,098.00 $1,372.50

Open Flex “Dual Use” details (Letter of Medical Necessity) Pay with Flex

Local
Delivery

Local delivery and set up is included for a flat fee of $69.99 within 25 miles of any Sit ‘n Sleep store.

We will also "haul away" your old mattress and box spring upon delivery of your new order: Just let us know!

Next day delivery on available inventory. Not applicable for UPS and FedEx orders. See our COVID-19 page for more information.

120-Night Sleep Trial

Buying a new mattress is not something you do everyday. Our 120-night sleep trial and comfort guarantee means you can rest easy.

10 Year Warranty

You spend a third of your life asleep on your mattress. Shouldn't you at least lay on it first? Come visit one of our 39 store locations and get comfy with your purchase.

Mattress Removal

We will "haul away" your old mattress and box spring upon delivery of your new order: Just let us know if you would like this service.

The Helix Twilight Core™ Firm Euro Top Mattress features a GlacioTex™ Cooling Cover with a cool‑to‑the‑touch feel that helps regulate sleep temperature all night. Its luxurious quilted design adds plush comfort and breathability, delivering a cooler, more refined sleep experience from the moment you lie down.

This model not available in retail locations, ONLINE ONLY. Ships Directly From the Helix Factory In Arizona.

Firm feel, Layered with Exclusive Foams and an Edge Support Wrapped Coil System.
Great for Side Sleepers.

Add a Base and Frame:

Knickerbocker Promo Frame

from $69.99

get it Delivery date contingent on available inventory

Sealy Ease 4.0 Adjustable Base

from $899.00

get it Delivery date contingent on available inventory

Have Questions?

We're here to help. Give us a call or visit your local store.

Firm

Firm feel, Layered with Exclusive Foams and an Edge Support Wrapped Coil System.

Key Feature

GlacioTex™ Pillow Top cover provides an extra layer of comfort along with cutting-edge cooling fabric.

Ready for Your Best Night’s Sleep?

This model not available in retail locations, ONLINE ONLY.

Firm Feel

Supportive Hybrid Design

Fiberglass-Free Design 

Edge Support Wrapped Coil System

GREENGUARD Gold Certified

Assembled in Arizona 

Mattress Height (Approx.) 11.5”

Mattress is adjustable friendly and works well on motion bases 

10-year warranty

Boxspring Sold Separate: https://www.sitnsleep.com/products/sit-n-sleep-universal-black-boxspring

Mattress Ships Compressed in a Box Directly from the Helix Factory in Arizona.

GlacioTex Cooling Cover: Luxurious, quilted cover featuring cool-to-the-touch fabric that optimizes your sleep temperature.

Two Layers of HD Gel Memory Foam: Provides immediate pressure-relief and body contouring, with additional temperature regulation.

Two Layers of HD Responsive Foam: High-density responsive foam that provides additional durability and support.

Edge Support Wrapped Coil System: Reinforced side edge support provides motion isolation and maximizes the sleeping surface.
 

Approx. 

Twin 38" x 75" x 11.5" 

Twin XL 38" x 80" x 11.5" 

Full 54" x 75" x 11.5" 

Queen 60" x 80" x 11.5" 

King 76" x 80" x 11.5" 

CA King 72" x 84" x 11.5"
 

What Customers Are Saying