100% Polyester for durability 160gsm micro mesh fabric JB’s Dri™ 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 and AS/NZS 4602.1:2011 Day only Reinforced chest Pocket with pen insert Straight hem with side splits Easy care fabric Quick drying Kids sizes 02-10 have no navy contrast panel does have pocket on left chest Infant sizes 00, 0, 01 have no navy contrast panel or pocket on left chest