Stretch panel in the crotch, on the knee and back, 2-way stretch, Scratch free; Pre-bent knees; Extended waistband back, High cuff at the waist with elastic at the top; Straps; D-ring; Leg pockets with bellow. Pen- and knife pocket with hidden magnetic buttons and flap; Inner ruler pocket; Inner knee protection pockets; Inner telephone pocket; Extension feature at bottom; 55% pes / 45% wo; The material is certified for Oeko-Tex 100