T-Shirt Jersey Fabric: How It’s Made and What Makes It Good

T shirt jersey manufacturers all knit the same basic fabric, yet the jersey from one factory can feel and wear very differently from another. The difference comes from a few decisions most buyers never see: the knitting gauge, the fabric weight, how the fabric is knitted and finished, and whether jersey is even the right choice for the garment. This guide explains what jersey fabric is, how it is made, and what separates good jersey from poor jersey, based on more than 20 years of knitting t-shirt jersey in Tirupur.

What Is Jersey Fabric?

Jersey is a weft-knitted fabric made from a single set of needles, which is why it is also called single jersey. The face shows neat vertical columns of stitches, and the back shows small loops. That construction gives jersey its light weight, natural stretch across the width, and soft drape, which is exactly what a t-shirt needs. It is also why the edges of jersey curl when cut. Most jersey t-shirt manufacturers knit on circular machines, and the fabric comes off the machine as a continuous tube. Some mills cut it open and finish it flat (open width); others keep it as a tube (tubular). Every jersey we knit is tubular, which suits body-sized t-shirt production and keeps the fabric’s structure even around its circumference.

How T-Shirt Jersey Is Made: Gauge, GSM, and Finishing

The quality of jersey starts at the knitting machine. Gauge is the number of needles per inch on the machine, and it sets how fine or coarse the knit can be. A higher gauge knits finer, lighter fabric with a smoother face; a lower gauge knits heavier fabric. In practice this creates a clear limit. At 160 GSM, jersey can be knitted on either a 24 gauge or a 28 gauge machine. Once the fabric goes above 160 GSM, only a 24 gauge machine can knit it properly, because heavier jersey needs coarser yarn that a finer machine cannot run. That is why a 180 or 200 GSM t-shirt and a 160 GSM t-shirt are not simply thicker and thinner versions of the same fabric; they are knitted differently, and t shirt jersey manufacturers plan the machine around the weight. The yarn itself matters just as much, as our guide to the yarn used for t-shirt knitting explains. After knitting, the fabric is dyed and finished, and the finishing, including compacting to control shrinkage, is what keeps the knitted structure stable once the t-shirt is worn and washed.

Single Jersey vs Interlock vs Rib vs Pique

Jersey is one of four knit fabrics used for t-shirts and tops. The table below shows how they differ.

A Real Order: When Jersey Was Better Than Interlock

A customer from Chile asked us for interlock for a range of sleepwear t-shirts. Interlock is thicker and more stable, and it is often the right choice, but these were pyjama tops for adults. We suggested 160 GSM single jersey instead, because it is lighter and more comfortable to sleep in, and it drapes the way adults expect sleepwear to. For a kids’ sleepwear range, interlock would have been the better call, since its density and stability suit children’s garments. After seeing the jersey quality in the sample, the customer accepted the change. The lesson is that the right knit depends on who wears the garment and how, not only on which fabric sounds heavier or more premium.

Jersey Quality Problems to Check

The most common complaint with single jersey is spirality, where the side seams of a t-shirt twist towards the front or back after washing. It happens because single jersey has a natural tendency to skew, driven by the twist in the yarn and the way the loops sit in a single-knit structure. We have dealt with it on an order for a German buyer, and it is the jersey defect every buyer should test for. Spirality is controlled by the yarn twist, correct compacting and finishing, and cutting the fabric in line with its wales, so it has to be managed at every stage from yarn to cutting table, not fixed at the end. Other problems to check are shrinkage beyond the agreed tolerance, pilling on lower-quality yarn, and GSM variation between batches. A good wash test on the approved sample is the simplest way to catch all four before bulk.

Types of Jersey for T-Shirts

Jersey is a structure, so it can be knitted from many yarns, and the best fabric for jersey depends on the look and feel you want. Combed cotton jersey is the standard for quality t-shirts, soft and smooth. Slub jersey uses an uneven yarn for a textured, vintage look. Melange and marl jersey mix coloured fibres or yarns for a heathered effect, and neppy yarn adds small flecks. Cotton lycra jersey, usually 95% cotton and 5% elastane, adds stretch for fitted styles. Bamboo jersey gives a silky, breathable hand. For the fibre side of this decision, see our guide to the different types of cotton for t-shirts.

How to Specify Jersey in a Tech Pack

A clear jersey specification saves weeks of back and forth, and experienced t shirt jersey manufacturers will ask for these details if you leave them out. State the fabric as single jersey, the fibre and blend, the GSM, and whether the yarn is combed, carded, slub, or melange. Give the shrinkage tolerance you will accept and ask for a spirality test after washing. If you have a preference for tubular or open width, say so. And describe who the garment is for and how it will be worn, because, as the Chile order showed, that often decides between jersey and interlock. Once the fabric is specified, the next stage is knitting, covered in our guide to the knitting techniques used for t-shirts.

Frequently Asked Questions

What is jersey fabric?

Jersey is a single-knit fabric made on one set of needles, with neat vertical stitches on the face and small loops on the back. It is light, soft, and stretchy across the width, which makes it the standard fabric for t-shirts.

What is the difference between single jersey and interlock?

Single jersey is a single-knit fabric that is lighter and drapes more softly. Interlock is a double-knit fabric, smooth on both sides, denser, and more stable. Jersey suits adult t-shirts and sleepwear, while interlock often suits kids and baby wear.

What is the best fabric for a jersey?

For knitted jersey fabric used in t-shirts, combed cotton is the most common choice because it is soft, breathable, and consistent. For sports jerseys, such as football or cricket kits, polyester with a moisture-wicking finish is usually preferred, as covered in our guide to dri-fit clothing manufacturing.

Why do t-shirts twist after washing?

The twisting is called spirality. Single jersey naturally tends to skew because of the twist in the yarn and its single-knit structure. It is controlled through yarn twist, proper compacting and finishing, and cutting the fabric in line with its wales, and it should be checked with a wash test on the sample.

What gauge is used for t-shirt jersey?

At 160 GSM, jersey can be knitted on either a 24 or 28 gauge circular machine. Above 160 GSM, only a 24 gauge machine can knit it properly, because heavier jersey needs coarser yarn.