Features Main fabric high weight 12, 5 oz. stretch cotton denim 100% TWARON® ballistic fabric inner reinforced & lined Knees approved protectors EN1621-1, adjustable & removable Ready for Zero-Shock padding on hips approved P.P.E. under EN17092-2 (A) EN 13595-2 – EN 13595-4 tested Stone washed Slim fit, no external stitching