These are protective trousers with 9 layers of protection in front of leg + 5cm. Waist trousers with saw protection for the demanding occasional chain saw worker. A somewhat simpler model but with the same protection as the other models. made from 100% heavy duty polyester at front & 100% knitted polyester for better ventilation at back. Two front pockets & one rear pocket with zipper. Reinforced protective material inside with nylon.