Available in sizes from Small to 3XL and 5XL, this product is made from 50% Cotton and 50% Polyester with Hi-Viz Fluoro Trims and BIZ COOL� Cotton-Backed Polyester Fabric weighing 180 GSM and offering an excellent UPF rating. It includes quick-dry properties, a ribbed collar with fluoro tipping, side splits with fluoro insert fabric, and a loose pocket.