Skip to main content
Sunday
Glossary/Scuba knit

What is Scuba knit?

Scuba knit is a smooth, dense double-knit with a foamy feel and strong stretch. Learn how scuba knit works and where it fits in branded apparel.

See your brand on merch

Create a free account to preview your branding across 500+ products with live pricing. No commitment required.

Get started

Definition

Scuba knit is a smooth, dense double-knit fabric with a soft, foamy feel and a strong four-way stretch. It is made mostly from polyester and elastane, knitted tightly so the surface stays sleek and holds bold shapes. The name comes from its likeness to neoprene wetsuit material, though scuba knit is lighter and more wearable.

Definition

Scuba knit is a fine double-knit built from synthetic yarns, usually polyester with elastane. The tight construction gives it a slight spongy thickness and a clean, matte face with no visible texture. It stretches in every direction and snaps back, which lets it sculpt close-fitting, sculptural garments.

How scuba knit works

The construction creates the body. Knitting two fine layers together produces a fabric with a soft inner cushion and a smooth outer face. That gives scuba its signature foamy hand and the firmness to hold a defined shape, which is why designers use it for structured dresses, skirts, and bomber-style jackets.

The fiber mix drives the performance. Polyester provides the smooth surface, color hold, and durability, while elastane delivers the strong recovery that keeps garments fitted without sagging. Because it is mostly synthetic, scuba knit resists wrinkles and dries fast, which suits travel and active wear.

The trade-off is breathability. The dense synthetic build traps heat and does not breathe like cotton or jersey, so scuba suits cooler conditions and shorter wear windows more than long, hot days. It also takes dye-sublimation print beautifully but needs care with high-heat decoration. For breathable everyday pieces, interlock knit or jersey work better.

Scuba knit in branded merch

  1. Statement event apparel. Scuba knit suits fitted dresses, skirts, and jackets that need a sleek, modern shape for launch teams and brand ambassadors.
  2. All-over printed pieces. Its smooth polyester face takes vivid dye-sublimation graphics, which makes it ideal for bold, full-coverage branding.
  3. Structured accessories. The fabric's body works for caps, pouches, and laptop sleeves that hold their form and show clean color.

Scuba knit is a dense polyester double-knit with a smooth, foamy feel and strong stretch that holds structured shapes.

a fitted branded dress for a product launch team. Scuba knit gives a smooth, modern silhouette, takes a vivid all-over print without distortion, and keeps its shape through a full day of demos and photos.

5 tips to elevate your Scuba knit strategy

TipSteps
Use dye-sublimationScuba's polyester face takes all-over sublimation print cleanly, so plan bold graphics for it.
Mind the heatSynthetic fibers scorch easily, so set decoration equipment to a safe low temperature.
Plan for fitScuba holds structured, close shapes, so confirm sizing on fitted cuts before ordering.
Position for seasonChoose scuba for cooler events and shorter wear windows rather than hot all-day use.
Keep care simpleRecommend cool wash and air dry to protect the stretch and the smooth surface.

Key Terminologies

Double knit - the two-layer knit structure that gives scuba its smooth, firm body.
Neoprene - the wetsuit material scuba knit imitates, though scuba is lighter and softer.
Jersey - a lighter, more breathable single knit used for everyday tees.
Elastane - the fiber behind scuba's strong four-way stretch and recovery.
Polyester - the main fiber that gives scuba its smooth face and print quality.

Frequently Asked Questions

What is scuba knit used for?

Scuba knit is used for fitted, structured garments like dresses, skirts, and bomber jackets. It is also popular for all-over printed apparel because its smooth face takes sublimation well.

Is scuba knit the same as neoprene?

No. Scuba knit looks and feels similar to neoprene but is lighter, softer, and made as a knit rather than a foam-cored fabric, which makes it more wearable for everyday apparel.

Does scuba knit breathe?

Not very well. Its dense synthetic construction traps heat, so scuba suits cooler settings and shorter wear windows rather than long, hot days outdoors.

Can you print on scuba knit?

Yes. Scuba's smooth polyester surface is ideal for dye-sublimation, which produces vivid, durable all-over prints. Use low heat for any transfer methods to protect the fibers.

How do you care for scuba knit?

Wash scuba cool and air dry or tumble on low. High heat can damage the stretch and smooth finish, so gentle care keeps the fabric sleek and well-fitted.

Try Sunday

Instantly preview your brand across 500+ products

Create your free account and access our complete catalog in your branding with live pricing in 30 seconds.

Explore freely
Order when you're ready
Get started

Designs in 30 seconds · Free account · No credit card required