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Free delivery nationwide, and a 120-night comfort exchange on mattresses
Free delivery nationwide and a 120-night exchange

Helix Moonlight Core with Breathe Knit Cover and ErgoAlign Layer

Original price $2,110.00
Original price $1,247.50 - Original price $2,735.00
Original price $2,110.00
Current price $1,688.00
$998.00 - $2,188.00
Current price $1,688.00
Availability:
In stock
Availability:
In stock
Availability:
In stock
Availability:
In stock
Availability:
In stock
Availability:
In stock
Availability:
In stock
Size: King

Helix Moonlight Core – Breathe Knit Cover & ErgoAlign Layer

The Helix Moonlight Core with ErgoAlign Layer combines the responsive comfort of the Moonlight Core with targeted lumbar reinforcement for enhanced support through the center third of the mattress. Featuring Helix's breathable Breathe Knit Cover, responsive comfort foams, individually wrapped coils, and the ErgoAlign Layer, this medium-soft hybrid mattress delivers balanced comfort while promoting improved spinal alignment.

Mattress Details

  • Medium Soft comfort level
  • Hybrid mattress construction
  • 11.5" profile
  • Breathe Knit Cover
  • HD Gel Memory Foam
  • HD Adaptive Foam
  • ErgoAlign Layer
  • Edge Support Wrapped Coil System
  • HD Base Foam
  • Adjustable base compatible
  • CertiPUR-US® Foams
  • GREENGUARD Gold Certified
  • ACA Certified

Key Features

ErgoAlign Lumbar Support

The ErgoAlign Layer reinforces the center third of the mattress to provide enhanced support beneath the hips and lower back while encouraging proper spinal alignment.

Responsive Medium Soft Feel

Offers gentle cushioning while maintaining the responsive support that defines the Moonlight collection.

Breathable Breathe Knit Cover

Promotes airflow across the mattress surface for a cooler, more comfortable night's sleep.

Adaptive Comfort

HD Adaptive Foam quickly responds to movement, helping maintain balanced support without excessive sink.

Hybrid Coil Support

Individually wrapped coils provide targeted support, help reduce motion transfer, and reinforce the mattress perimeter.

Ideal For

The Helix Moonlight Core with ErgoAlign Layer is an excellent choice for back sleepers, stomach sleepers, and combination sleepers looking for a softer feel with additional lumbar support. It's ideal for anyone wanting enhanced spinal support while preserving the responsive comfort of the Moonlight Core.

Why You'll Love It

The Moonlight Core with ErgoAlign Layer maintains the collection's signature responsive comfort while introducing targeted support beneath the lower back. The result is a well-balanced hybrid mattress that combines gentle cushioning with enhanced spinal support for comfortable sleep throughout the night.

Comfort & Construction

The Helix Moonlight Core begins with the Breathe Knit Cover, designed to encourage airflow while creating a soft, inviting sleep surface. Beneath the cover, HD Gel Memory Foam provides gentle contouring while HD Adaptive Foam delivers responsive comfort that adapts naturally as you move.

The addition of the ErgoAlign Layer reinforces the center third of the mattress to provide enhanced support beneath the hips and lower back. Working together with the Edge Support Wrapped Coil System, it helps promote healthy spinal alignment while providing targeted support, reduced motion transfer, and reinforced edge stability. A durable HD Base Foam foundation completes the mattress for lasting comfort and dependable performance.


Moonlight Core ErgoAlign - Twin
75.0in L, 38.0in W, 11.5in H
Moonlight Core ErgoAlign - Twin Long
80.0in L, 38.0in W, 11.5in H
Moonlight Core ErgoAlign - Full
75.0in L, 53.0in W, 11.5in H
Moonlight Core ErgoAlign - Queen
80.0in L, 60.0in W, 11.5in H
Moonlight Core ErgoAlign - King
80.0in L, 76.0in W, 11.5in H
Moonlight Core ErgoAlign - California King
84.0in L, 72.0in W, 11.5in H
Moonlight Core ErgoAlign - Split King Set
80.0in L, 76.0in W, 11.5in H
Free delivery nationwide

White-glove setup on local mattress deliveries. Delivery details

Financing available

With approved credit. Financing details

Free old mattress removal

On California deliveries, one for one. Delivery details

120-night comfort exchange

One exchange within 120 nights on new mattresses. See terms