What is Knitting and How Fabric is Formed

What is Knitting and How Fabric is Formed

Knitting is one of the two main ways fabric is made — and it's what gives T-shirts, sweatshirts, and most loungewear their signature stretch and softness.

At HEM APPAREL, most of our blankwear and basics are made from knitted fabrics, especially single jersey, interlock, and rib.


🧵 What Is Knitting in Fabric Production?

  • Knitting is the process of looping yarns together to form fabric

  • Unlike weaving (which interlaces two sets of yarns), knitting uses one continuous yarn

  • Creates stretchy, flexible fabrics perfect for activewear and casualwear

✅ All fabrics are either knit or woven — knowing the difference helps when choosing the right base


🧶 Types of Knit Structures

Knit Type Structure Common Use
Single Jersey One layer of loops T-shirts, dresses, basics
Interlock Two layers interlocked Premium tees, babywear
Rib Knit Vertical rib lines Collars, cuffs, fitted tops
Purl Knit Reversible texture Scarves, sweaters
Waffle Knit Grid texture Thermals, loungewear
Fleece (brushed) Soft inside surface Hoodies, sweatpants

🌬️ Why Brands Choose Knits

  • Naturally stretchy — often without needing spandex

  • Soft and breathable

  • Comfortable to wear for long hours

  • Great for draping or body-hugging designs

At HEM APPAREL: Our clients love cotton jersey for everyday tees, while French terry and fleece are top picks for hoodie lines.


🧪 What Impacts Knit Fabric Quality?

  • Yarn count & twist → Affects softness and thickness

  • Gauge (number of needles) → Controls how fine or open the knit is

  • Finishing → Brushing, washing, or enzyme treatment changes feel and look

  • Blends → Cotton-poly for durability, modal for softness, spandex for stretch


⚠️ What to Keep in Mind

  • Knit fabric can shrink more than woven → pre-shrink is key

  • May curl at the edges during cutting → needs skilled handling

  • Stretch % should match your intended fit (fitted vs relaxed)


🧠 HEM APPAREL’s Tip:

Choosing the right knit depends on your product:

  • Single jersey for lightweight tees

  • Interlock for clean premium basics

  • French terry or fleece for sweat sets

MOQ from 300 pcs/style, and we can help you swatch by weight, texture, or blend.

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