100% cotton twill. Button front, two front pockets, two patch hip pockets, two chest pockets, rule pocket, side vent openings, sized to be worn over clothes. US Colors: 805 Fisher Herringbone. Canada Colors: 565 Navy, 586 Powder Blue (features navy trim on collar, cuffs, pockets and waistband), 700 Spruce, 615 Tan, 775 White, 715 Orange.