FREE UK DELIVERY ON ORDERS OVER £50 | Looking for the perfect trail/ hike trousers? Introducing the Patagonia Altvia Trail Paints. Crafted from lightweight recycled polyester/spandex the Altvia are ideal for long, active days and year-round performance. Men's Black Regular Length Polyester and spandex Pockets in front and back Pronounced articulation in knees for maximum mobility 315 g (11.1 oz) Straight-panel gusset through inseam for movement Cuffs have internal gusset and zippers to fit over heavy hiking boots