JB's 3-button placket Knitted collar with reinforced herringbone tape on inside neck seam Straight hem with side splits Set-in sleeves with open cuffs Materials 65% Polyester for durability, and 35% Cotton for comfort 210gsm double knit pique fabric Complies with standard AS/NZS 4399:1996 for UPF Protection. Easy care, reduced pilling fabric