The Forest Mens Trekking Trousers are designed for trekkers and hikers. Made with water-resistant treatment and reinforced fabric on areas of stress (knees and seat) for more protection. The fabric is very stretchy allowing some freedom of movement. They come with a built-in belt for a better fit. Ideal for long summer walks as they also protect you from the sun rays. Water-resistant. Treated with durable water repellent (DWR), droplets will bead and roll off the fabric. Ideal for Light rain, or limited exposure to rain 4-Way-Stretch. The fabric will stretch lengthways & widthways, providing a better fit, more flexibility and comfort UPF 50+. With sun protection factor treatment of 50+ Breathable. The fabric allows perspiration to pass out of the garment, keeping you cool and comfortable.