100% Polyester for durability. 160gsm jacquard fabric for increased breathability. JB's Dri moisture wicking fabric designed to help keep you cool and dry. Complies with standard AS/NZS 4399:2017 for UPF Protection. Complies with standards AS/NZS 1906.4:2010 and AS/NZS 4602.1:2011 Day Only. Reinforced chest pocket with pen insert. Straight Hem with side split. Easy care quick drying fabric