What Is Knitted Fabric and How Is It Different from Woven Fabric?

What Is Knitted Fabric? A Direct Answer

Knitted fabric is a textile structure formed by the intermeshing of yarn loops in a series of interconnected rows. Unlike woven fabrics, which are made by interlacing two sets of yarns at right angles, knitted fabrics are constructed from a single continuous yarn that follows a meandering, looped path. This fundamental difference gives knitted fabrics their most defining characteristic: high elasticity and stretch, capable of elongating up to 500 percent depending on the pattern and yarn.

In practical terms, this means a knitted garment moves with you, offers superior comfort, and is wrinkle-resistant. However, this elasticity often comes at the cost of lower dimensional stability and durability compared to woven fabrics.

The Fundamental Difference: Interlooping vs. Interlacing

The core distinction between knitted and woven fabrics lies in their construction method, which dictates their entire range of properties.

Woven Fabric: The Interlaced Structure

Woven fabric is created by interlacing two distinct sets of yarns perpendicular to each other. These are known as the warp (lengthwise) and the weft (crosswise). This creates a stable, grid-like structure with minimal stretch, offering high strength and durability.

Knitted Fabric: The Interlooped Structure

Knitted fabric is formed by intermeshing loops of yarn. The yarn follows a meandering path, creating a series of interconnected loops. This structure allows the fabric to stretch and conform to shapes easily. The yarn in a knitted fabric does not run straight, which is why it can deform and recover without breaking.

Key Properties: Knitted vs. Woven

The structural differences lead to a clear divergence in performance characteristics. The table below summarizes the key contrasts between knitted and woven fabrics.

The Two Main Types of Knitted Fabric: Weft-Knit vs. Warp-Knit

Knitted fabrics are further divided into two primary categories based on the knitting process: weft-knit and warp-knit. Each has distinct characteristics and applications.

Weft-Knit Fabric

• Process: Yarn runs horizontally (in courses) as loops are formed across the fabric width.
• Characteristics: Highly elastic and stretchy. It has a tendency to curl at the edges and will unravel (run) if cut.
• Common Types: Jersey (single knit), rib knit, interlock knit, and purl knit.
• Examples: T-shirts, socks, sweaters, and hosiery.

Warp-Knit Fabric

• Process: Each yarn runs vertically (in wales) and loops are formed simultaneously across the width.
• Characteristics: More stable and run-resistant than weft-knits. It has less stretch but greater dimensional stability.
• Common Types: Tricot, Raschel, and Milanese.
• Examples: Lingerie, swimwear, athletic wear, and linings.

Why Choose Knitted Fabric? The Advantages

The inherent properties of knitted fabrics make them the preferred choice for applications where comfort, fit, and flexibility are paramount.

• Superior Comfort and Fit: The high elasticity allows garments to conform to the body, providing freedom of movement and a close, comfortable fit. This makes them ideal for activewear and close-fitting apparel.
• Excellent Thermoregulation: The looped, open structure of knitted fabrics enhances breathability and air permeability, aiding in moisture-wicking and temperature regulation.
• Wrinkle Resistance: Knitted fabrics are naturally resistant to creasing, making them a low-maintenance option that requires little to no ironing.
• Production Efficiency: Knitting is generally a faster and more cost-effective process than weaving, with higher productivity and lower labor costs.

Key Considerations: The Limitations

Despite its many benefits, knitted fabric has limitations that must be considered for specific applications, particularly where strength and shape retention are critical.

• Lower Durability and Strength: The looped structure results in a lower breaking force and reduced resistance to abrasion compared to woven fabrics. This makes them less suitable for heavy-duty workwear or high-stress industrial applications.
• Dimensional Instability: Knitted fabrics are prone to stretching, sagging, and losing their shape over time. They may require special care to prevent distortion.
• Fraying and Snagging: Weft-knitted fabrics, in particular, can unravel (run) if the yarn is cut or broken. Warp-knits are more resistant to this issue.

Frequently Asked Questions (FAQ)

Is knitted fabric better than woven fabric?

Neither is inherently better. The choice depends entirely on the intended use. Knitted fabric is superior for comfort, flexibility, and breathability, making it ideal for activewear and casual clothing. Woven fabric is better for durability, structure, and shape retention, making it suitable for formal wear, upholstery, and industrial applications.

Can you see the difference between woven and knitted fabric?

Yes. A woven fabric has a stable, grid-like appearance with clearly defined straight lines of yarn. In contrast, a knitted fabric has a textured, looped surface. The easiest way to tell the difference is by stretching the fabric: a knit will stretch easily in all directions, while a woven fabric will only stretch slightly on the bias.

What is the main advantage of knitted fabric?

The main advantage is its high elasticity and stretch, which provides superior comfort, freedom of movement, and a form-fitting quality. This is why knitted fabrics are the preferred choice for garments like socks, t-shirts, and sweaters.

Does knitted fabric shrink?

Knitted fabrics can shrink, especially if made from natural fibers like cotton or wool. However, many modern knits are pre-shrunk or blended with synthetic fibers to minimize shrinkage. Proper care, including washing in cold water and air drying, can help prevent significant shrinkage.