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Fine polyester filaments create more surface area and more capillary pathways within the fabric. Learn how filament count, DPF, fibre shape and yarn structure can improve moisture spreading and drying.

Fabric handle explains why two polyester fabrics with the same GSM can feel completely different. Learn how softness, smoothness, fullness, stiffness, yarn type and finishing create the final tactile experience.

Sweat cools the body only when it evaporates. Learn how polyester sportswear combines wicking, surface area, porosity, airflow and drying to support effective evaporative cooling.

Breathability is more than airflow. Learn how moisture vapour transmission works in polyester fabric, how it differs from air permeability and why wicking, porosity and drying all influence comfort.

Polyester knitted fabric contains thousands of open spaces between filaments, yarns and loops. Learn how fabric porosity affects airflow, drying, moisture management, opacity and garment comfort.

Polyester is dimensionally stable, but knitted fabric can still shrink or grow due to loop relaxation and finishing tension. Learn how heat setting, overfeed, loop density and washing influence final fabric dimensions.

A strong polyester yarn is not automatically the most durable. Learn how elongation at break, tenacity and toughness work together to determine yarn and fabric performance.

Polyester yarn strength is better understood through tenacity, which compares breaking force relative to yarn size. Learn how tenacity, elongation and fabric structure work together to influence textile durability.

Courses and wales determine how closely loops are packed in polyester knitted fabric. Learn how loop density affects GSM, opacity, airflow, stretch, stability and finished fabric appearance.