Ergodyne GloWear 8935-IS Class HeadWear Hi-Vis Ranger Hat with Insect Shield, Orange, Large/X-Large ANSI-certified 150D oxford polyester Insect Shield treatment 1-Inch Level 2 ANSI-certified tape with contrasting color Two sizes: S/M (21-22.5-Inch/ 53-57cm) L/XL (22.5-24-Inch/ 57-61cm)