Nest Bedding Sparrow Signature Hybrid vs Diamond Transformation Hybrid

Available in Plush (2.5-3), Medium (4-4.5) or Luxury Firm (7.5-8). Does your partner like different types of mattress firmness than you? Order the Sparrow Signature Hybrid in King and Cal King sizes and get a different firmness on each side. Keep one side firm and the other plush, or mix a plush side with a medium. With the Sparrow Signature Hybrid mattress, during or after your sleep trial, you can swap out the inner layer of foam to adjust its firmness without needing to get a whole new mattress.

Everyone has their ideal comfort level. That's why we've designed this comfort selector tool so that you know exactly what you're jumping into. Select from 3 firmness levels:

• Soft, a 3/10 on the firmness scale, a light, gentle and flexible feel that conforms to your body.
• Medium, a 5/10 on the firmness scale, the best of both worlds for an exceptionally comfy feel.
• Firm, an 8/10 on the firmness scale, solid and stable support throughout your sleeping surface.

A five layer construction:

• 2" Quilted THERMIC® phase change cover & 4 lb. Memory Foam
• 3" Energex™ Temperature Responsive Foam (3 lb.)
• 1" SmartFlow Support Foam (1.5 lb.)
• 6" Reinforced Edge Coil Support Pocketed Coils
• 1" Base Support Foam (3 lb.)

The Transformation Mattress by Diamond Mattress is constructed of:

• 2" CoolTouch Advanced Regulating Fabric
• 2" Diamond Hyper Conductive Sparkle Foam
• Mirco Coil Comfort Layer
• 2" HD Comfort Layers
• Patented Zoned Support System - Foam Encased.

Unzip the sides of this mattress to exchange the inner foam layer for a new one that's more firm, softer, or if you just want to replace it (which extends the life of your mattress).

Foam Encased Comfort Edge: Increases usable sleep surface by allowing you to sleep all the way to the edge without feeling like falling off. Creates a better edge for entering, exiting and sitting on the side of the mattress.

Energex™ foam is a cutting-edge foam layer that fully supports your body with the pressure relief of memory foam, and the responsiveness and durability of latex. This combines with the support of high quality individual coils with extra edge support.

Combination Foam and Coils: Superior Pressure Relief. Contours to your natural shape to help achieve a comfortable sleeping posture. Hyper conductive foam regulates core temperatures for a natural sleep. Coils provide breathability and additional comfort and support.

The top layer is temperature responsive, highly adaptive, durable, and breathable specifically designed to energize in response to body heat.
We use our SmartFlow air flow system with punched foams and breathable layers to achieve maximum air flow.

Diamond Sparkle Foam actively regulates your core temperature for the most natural sleeping environment. Graphene and conductive flakes dissipate heat from the surface of the skin.
Wrapped coil design enhances airflow and breathability to keep you sleep environment more comfortable.

The mattress (formerly called the Alexander Signature Hybrid Mattress) utilizes a very durable individually pocketed coil unit with edge support coils all around the perimeter. This provides a movement-free sleep surface and supports the back perfectly.

Patented Zoned Support System: Adding 25% more support where you need it most

1. Additional Wrapped coils in the center 3rd provided extra back support where you need it.
2. Improves alignment by relieving pressure along the shoulders, back and hips
3. Prevents motion transferred between partners for less disturbance

A soft quilted, luxurious top layer of fabric greets you and provides a cool, comfy surface. This Thermic Phase Change Cooling fabric will help your body regulate its ideal sleeping temperature through the seasons.

Diamond Sparkle Foam actively regulates your core temperature for the most natural sleeping environment. Graphene and conductive flakes dissipate heat from the surface of the skin.
Wrapped coil design enhances airflow and breathability to keep you sleep environment more comfortable.

Your new mattress can take up to 2-4 business days to make as they are made to order by hand in the USA. Then, we ship from the West Coast, so depending on where you live, it can take 1-5 business days in transit.

Our premium mattresses are quickly delivered directly to your door, so you can unbox and unwind as fast as you can say Bed-in-a-Box.