Buy this norrøna product here: http://www.norrona.com/en-GB/Products/4413-15/5560/bitihorn-dri3-pants-w/
Our lightest and most breathable, waterproof 3-layer pants. Ideal for lightweight trekking, hiking and other mountain activites where reduction of weight is key . The driTM3 fabric makes the pant light, soft, waterproof and highly breathable. Features include custom fit waist adjustment, thigh pocket, side ventilation, gaiter hook and adjustment around boots. As the pants easily pack into their own pocket, they are the ultimate accessorie to always have in your pack for rain protection.