5.25-ounce 100% polyester three-layer twill - Meets ANSI / ISEA 107 standard and ANSI Class E visibility standard - Reflective material maintains performance through 75 home launderings - Storm Defender waterproof breathable technology - Generous fit through the hip and thigh with the most room to move and a straight leg opening - Fully-taped waterproof seams - Elastic waistband with adjustable draw cord and cord-lock Double-layer knees with openings for adding knee pads and cleaning out debris - Reinforced polyester kick panels - Zippered leg openings with double storm flaps - Two zippered front pockets with storm flaps - Two utility and tool pockets - Back patch pocket with flap and hook-and-loop closure Replaces 105299