If you are an outdoor adventurer no matter the season or weather then you need to invest in the Lairg Waterproof walking trousers. These trousers are designed for cold weather conditions on the trail. The waterproof and windproof properties will keep you feeling comfortable for the duration of the hike no matter what the weather may throw at you., AquaDry Membrane., Stretch., SmartDry., Windproof., Lightweight.