Heavy duty working trousers with elastic waistband workwear profiline mens working dungarees in a modern and ergonomic fit durable canvas fabric abrasion and tear resistant stain oil and water repellent thanks to high quality coating pre shaped knees for added comfort adjustable knee pad pockets elastic inserts in waistband ykk metal zipper durable and good quality improved visibility with reflective piping flexible waist extends by 3 cm without sewing numerous pockets 2 side pock