100% Polyester for durability. 160gsm micro mesh fabric. Moisture wicking fabric designed to help keep you cool and dry. Complies with Standard AS/NZS 4399:2017 for UPF Protection (UPF 50+). Complies with Standards AS/NZS 1906.4:2010 AS/NZS 4602.1:2011 Day Only. Reinforced chest pocket with pen insert. Straight hem with side splits. Easy care fabric. Quick drying. Classic Fit.