Cushion Fills Explained - Foam, Memory Foam & Beyond

If you’re planning to order custom cushions, one of the most important decisions you’ll make is the fill type. The right cushion fill impacts comfort, longevity, firmness, and overall feel - especially for built-in seating like benches, banquettes, or window seats.

A visual comparison of three popular cushion fills - standard foam, memory foam, and polyfill - each offering a different level of support and comfort.

In this guide, we’ll walk through the most common fill types, how they perform, and what to consider before placing your order. Welcome to your go-to guide — cushion fills explained.

Cushion Fills Explained - Choosing the Right Core for Your Custom Cushion

Not all cushion fills are created equal. From the structure of standard foam to the plush responsiveness of memory foam, each option delivers a different level of support and softness.

Let’s explore the most popular cushion fill types and how to pick the right one for your space.

1 - High-Density Polyurethane Foam

What it is:

A durable, supportive foam used in most built-in seating and upholstery applications.

Pros:

• Provides firm support

• Long-lasting with good shape retention

• Comes in multiple firmness levels

Cons:

• Can feel stiff if not wrapped in batting

• Not as soft or responsive as newer foams

Best For:

Window seats, banquettes, dining benches, and high-use seating areas.

2 - Memory Foam

What it is:

A contouring foam that responds to body pressure and heat, offering a soft and luxurious feel.

Pros:

• Excellent pressure relief

• Adapts to body shape

• Luxurious comfort feel

Cons:

• Can feel too soft for upright seating

• Heavier and warmer than standard foam

• Usually more expensive

Best For:

Lounge cushions, reading nooks, or areas where plush comfort is preferred.

3 - Foam with Dacron Wrap (Foam + Batting)

What it is:

Standard high-density foam wrapped in polyester batting for a rounded, soft finish.

Pros:

• Balanced firmness and softness

• Holds shape well

• Adds polish to the cushion’s appearance

Cons:

• Slightly thicker overall look

• Needs quality craftsmanship to avoid lumpy finish

Best For:

Decorative cushions and indoor bench seating that requires comfort and clean aesthetics.

4 - Foam Down Wrap or Feather Blend (Luxury Hybrid)

What it is:

A firm foam core wrapped with a feather or down blend for a plush feel with supportive structure.

Pros:

• Combines softness with structure

• Excellent for comfort-focused designs

• Great for formal or high-end interiors

Cons:

• Higher price point

• May require occasional fluffing

Best For:

Window seats, luxury banquettes, or designer lounge areas.

Additional Considerations When Choosing Cushion Fills

• Firmness Level: Soft, medium, or firm — choose based on comfort and function

• Use Case: Is it for sitting, lounging, or decorative use?

• Fabric Weight: Heavier fabrics pair well with firmer fills

• Cushion Thickness: Thinner cushions often feel firmer

• Edge Style: Boxed vs knife-edge can impact feel and appearance

Custom Cushions with DDCD

At DDCD, we offer a variety of cushion fill types to match your exact needs — from firm seating to soft lounging. Every cushion is:

• Made to your measurements

• Hand-sewn with precision finishes

• Designed for lasting comfort and beauty

Explore Our Custom Cushion Services

Request a Fill Consultation

Final Thoughts

When it comes to designing your perfect cushion, understanding the difference between fill types is just as important as choosing the fabric. With cushion fills explained, you now have the tools to choose the right core - whether it’s for firmness, plushness, or somewhere in between.

Still not sure what fill is right for you? Our workroom team is happy to guide you.