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. Tall sizes and additional sizes may be available. 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.