100% polyester. Mens trousers. For all-season hill walking and hiking. Provides waterproof/breathable protection from the elements with plenty of stretch. Seam-sealed Isotex 5,000 polyester fabric with a durable water repellent finish keeps you dry inside and out. A soft, stretch liner adds next-to-skin comfort and the part elasticated waist enhances mobility. With multiple zipped pockets to secure adventure essentials. Regatta Mens sizing (waist approx): 26in/66cm, 28in/71cm, 30in/76cm, 32in/81cm, 33in/84cm, 34in/86.5cm, 36in/91.5cm, 38in/96.5cm, 40in/101.5cm, 42in/106.5cm, 44in/111.5cm, 46in/117cm, 48in/122cm, 50in/127cm. Regatta Trouser Leg length: Short- 30in, Regular- 32in, Long- 34in.