160 g/m 100% piqu knit performance polyester knitted collar with unique tube detail back yoke three button placket side slits Polyester: Extremely durable & crease resistant. Its colourfast, quick drying & stain resistant. Easy to clean & maintain. Easy Care: Ideal for everyday wear. Requires low maintenance & is easy to clean & crease resistant. Cool fit: Allows air to pass through easily. Aids in moisture management, reduces sweat & keeps you cool. Anti-bacterial: This garment is treated to control bacteria, prevent odours and maintain freshness.