Fabric: 50% Cotton, 50% Polyester with Hi-Viz Fluoro Trims. BIZ COOL Cotton Backed Polyester Fabric. 180 GSM. UPF rating - Excellent. Features: Quick dry - rapid evaporation of moisture through the fibres. Ribbed collar with fluoro tipping. Side splits with fluoro insert fabric. Loose pocket included. Sizes: S - 3XL, 5XL. Colours: Navy/Fluoro Yellow/Lime, Black/Fluoro Yellow/Lime, Grey/Fluoro Orange, Navy/Fluoro Orange. Cares: Extras.