MAGNA FLEX, colors: 88% Nylon / 12% Spandex, white: 88% Polyester / 12% Spandex; Matte finish, 4 way stretch with quick recovery; 2 1/2" Elastic waistband with gripper strips; 5 panel contruction, no fly, duke crotch; Two front beltloops and no show belt system at inside of the waistband; Zig-zag sewn thigh and knee pockets; Coverstitch seams for optimum durabiility