What are the four main types of fabric?

The four primary textile materials classified by source are cotton, linen, silk, and wool. Classified by construction, they are woven, knitted, non-woven, and braided fabrics.

What is the difference between knitted and woven fabrics?

Knitted fabrics are formed by interlocking loops of yarn providing stretch and breathability, while woven fabrics interlace two perpendicular threads at right angles to create structural strength and minimal stretch.

What is GSM in fabric specification?

GSM stands for Grams per Square Meter. It is the global empirical metric for fabric mass. Lightweight fabrics measure 80-140 g/m², medium apparel fabrics 150-220 g/m², and heavyweight canvas or denim 240-450+ g/m².