Ring-spun or open-end yarn for T-shirts?

Short answer: Ring spinning twists fibres gradually around a spindle, producing a yarn in which the fibres are well aligned and wrapped, so it is smoother, finer and usually stronger. Open-end or rotor spinning forms yarn quickly from separated fibres in a rotor; it is faster and cheaper and suits coarser counts, but the yarn has a more irregular, hairier surface and wrapper fibres around the outside. In a T-shirt, ring-spun yarn generally gives a softer hand, better drape and a smoother face for printing, while open-end jersey feels drier and firmer and can look less refined. Open-end can be a sensible choice for heavy, durable or low-cost tees. Compact spinning, a refinement of ring spinning, reduces hairiness further. Decide by comparing finished samples at the same weight.

How they differ

• Ring-spun: slower, more costly, finer counts possible, smoother and softer.
• Open-end: faster and cheaper, best for coarser counts, firmer and less smooth.
• Compact ring-spun: lower hairiness, cleaner surface, often less pilling.

What it means for the product

• Hand feel: ring-spun usually feels softer.
• Printing: a smoother surface gives sharper prints, especially DTG.
• Pilling and fuzz: hairy yarns can fuzz more, depending on fibre and finish.
• Cost: open-end jersey is usually cheaper.

How to compare

• Compare fabrics at the same GSM, count and finish.
• Wash samples several times and check hand, surface and shrinkage with ISO 5077.
• Run a pilling test with ISO 12945-2 if surface durability matters.
• Print the same graphic on each.

A worked example

For a low-cost staff uniform tee, a company compares open-end and ring-spun jersey at 200 GSM. The open-end shirt is firmer and slightly rougher but holds up well in workwear laundering, and the saving across several thousand shirts is meaningful. For its retail basics, where customers judge by touch, the same company uses combed ring-spun yarn.

Questions to ask the supplier

• Which spinning method, count and ply is used, and is the cotton carded or combed?
• Is the yarn from one spinner for the whole order?
• Can the mill supply washed fabric swatches of both options in the same colour?

Written answers make it easier to hold later lots to the same quality.

Limits

The spinning method is one factor among fibre quality, count, knitting and finishing. A well-finished open-end fabric can outperform a poor ring-spun one, so judge real samples.

Facts, recommendations and uncertainty

Established: ring-spun yarn is smoother and finer than open-end yarn, which is cheaper and coarser. Recommendation: choose by product purpose and compare washed samples at the same weight. Uncertain: how much customers notice the difference for your product.

Sources and further reading

• ISO 12945-2:2020 — Pilling, fuzzing or matting, modified Martindale method
• ISO 5077:2007 — Determination of dimensional change in washing and drying

Standards and regulations are referenced by their published scope. Test parameters, cycles and pass levels should be agreed with your laboratory for the specific product; legal requirements should be confirmed for each destination market.